770990217424 has 160 divisors (see below), whose sum is σ = 1804884480000. Its totient is φ = 311671825920.

The previous prime is 770990217383. The next prime is 770990217433. The reversal of 770990217424 is 424712099077.

It is a super-3 number, since 3×770990217424³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 846311529 + ... + 846312439.

It is an arithmetic number, because the mean of its divisors is an integer number (11280528000).

Almost surely, 2^770990217424 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 770990217424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902442240000).

770990217424 is an abundant number, since it is smaller than the sum of its proper divisors (1033894262576).

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

770990217424 is a wasteful number, since it uses less digits than its factorization.

770990217424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241 (or 2235 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 770990217424 in words is "seven hundred seventy billion, nine hundred ninety million, two hundred seventeen thousand, four hundred twenty-four".