770077700 has 72 divisors (see below), whose sum is σ = 1913960832. Its totient is φ = 263450880.

The previous prime is 770077681. The next prime is 770077709. The reversal of 770077700 is 7770077.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (770077709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 431009 + ... + 432791.

Almost surely, 2^770077700 is an apocalyptic number.

770077700 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770077700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (956980416).

770077700 is an abundant number, since it is smaller than the sum of its proper divisors (1143883132).

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

770077700 is a wasteful number, since it uses less digits than its factorization.

770077700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421 (or 2414 counting only the distinct ones).

The product of its (nonzero) digits is 16807, while the sum is 35.

The square root of 770077700 is about 27750.2738725224. The cubic root of 770077700 is about 916.5964743314.

The spelling of 770077700 in words is "seven hundred seventy million, seventy-seven thousand, seven hundred".