78763695801980 has 96 divisors (see below), whose sum is σ = 195877452503040. Its totient is φ = 26042797347840.

The previous prime is 78763695801913. The next prime is 78763695802009. The reversal of 78763695801980 is 8910859636787.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82332461 + ... + 83283620.

It is an arithmetic number, because the mean of its divisors is an integer number (2040390130240).

Almost surely, 2^{78763695801980} is an apocalyptic number.

78763695801980 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

78763695801980 is an abundant number, since it is smaller than the sum of its proper divisors (117113756701060).

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

78763695801980 is a wasteful number, since it uses less digits than its factorization.

78763695801980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165616219 (or 165616217 counting only the distinct ones).

The product of its (nonzero) digits is 1097349120, while the sum is 77.

The spelling of 78763695801980 in words is "seventy-eight trillion, seven hundred sixty-three billion, six hundred ninety-five million, eight hundred one thousand, nine hundred eighty".