770071237920 has 1152 divisors, whose sum is σ = 2926284641280. Its totient is φ = 190938746880.

The previous prime is 770071237913. The next prime is 770071237927. The reversal of 770071237920 is 29732170077.

It is an interprime number because it is at equal distance from previous prime (770071237913) and next prime (770071237927).

It is a super-2 number, since 2×770071237920² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (770071237927) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3649626615 + ... + 3649626825.

It is an arithmetic number, because the mean of its divisors is an integer number (2540177640).

Almost surely, 2^770071237920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770071237920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1463142320640).

770071237920 is an abundant number, since it is smaller than the sum of its proper divisors (2156213403360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

770071237920 is a wasteful number, since it uses less digits than its factorization.

770071237920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 259308, while the sum is 45.

The spelling of 770071237920 in words is "seven hundred seventy billion, seventy-one million, two hundred thirty-seven thousand, nine hundred twenty".