770638555032 has 64 divisors (see below), whose sum is σ = 1930469690880. Its totient is φ = 256363333632.

The previous prime is 770638554979. The next prime is 770638555039. The reversal of 770638555032 is 230555836077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770638555039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80078173 + ... + 80087795.

It is an arithmetic number, because the mean of its divisors is an integer number (30163588920).

Almost surely, 2^770638555032 is an apocalyptic number.

It is an amenable number.

770638555032 is an abundant number, since it is smaller than the sum of its proper divisors (1159831135848).

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

770638555032 is a wasteful number, since it uses less digits than its factorization.

770638555032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15992 (or 15988 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 51.

The spelling of 770638555032 in words is "seven hundred seventy billion, six hundred thirty-eight million, five hundred fifty-five thousand, thirty-two".