76364578780 has 48 divisors (see below), whose sum is σ = 183311331840. Its totient is φ = 26176949568.

The previous prime is 76364578757. The next prime is 76364578789. The reversal of 76364578780 is 8787546367.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76364578789) 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, 690991 + ... + 793849.

It is an arithmetic number, because the mean of its divisors is an integer number (3818986080).

Almost surely, 2^76364578780 is an apocalyptic number.

76364578780 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

76364578780 is an abundant number, since it is smaller than the sum of its proper divisors (106946753060).

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

76364578780 is a wasteful number, since it uses less digits than its factorization.

76364578780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108178 (or 108176 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 61.

The spelling of 76364578780 in words is "seventy-six billion, three hundred sixty-four million, five hundred seventy-eight thousand, seven hundred eighty".