76719312780 has 96 divisors (see below), whose sum is σ = 240676289280. Its totient is φ = 18095950080.

The previous prime is 76719312749. The next prime is 76719312781. The reversal of 76719312780 is 8721391767.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (76719312781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1546410 + ... + 1595249.

It is an arithmetic number, because the mean of its divisors is an integer number (2507044680).

Almost surely, 2^76719312780 is an apocalyptic number.

It is an amenable number.

76719312780 is an abundant number, since it is smaller than the sum of its proper divisors (163956976500).

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

76719312780 is a wasteful number, since it uses less digits than its factorization.

76719312780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141719 (or 3141717 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 51.

The spelling of 76719312780 in words is "seventy-six billion, seven hundred nineteen million, three hundred twelve thousand, seven hundred eighty".