78792530776890 has 96 divisors (see below), whose sum is σ = 223313048703360. Its totient is φ = 17428762523520.

The previous prime is 78792530776879. The next prime is 78792530776909. The reversal of 78792530776890 is 9867703529787.

78792530776890 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 195012825 + ... + 195416444.

It is an arithmetic number, because the mean of its divisors is an integer number (2326177590660).

Almost surely, 2^{78792530776890} is an apocalyptic number.

78792530776890 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78792530776890 is an abundant number, since it is smaller than the sum of its proper divisors (144520517926470).

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

78792530776890 is a wasteful number, since it uses less digits than its factorization.

78792530776890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390429348 (or 390429317 counting only the distinct ones).

The product of its (nonzero) digits is 2240421120, while the sum is 78.

The spelling of 78792530776890 in words is "seventy-eight trillion, seven hundred ninety-two billion, five hundred thirty million, seven hundred seventy-six thousand, eight hundred ninety".