78749157014 has 16 divisors (see below), whose sum is σ = 129028988880. Its totient is φ = 35748756960.

The previous prime is 78749156989. The next prime is 78749157029. The reversal of 78749157014 is 41075194787.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2298329 + ... + 2332340.

It is an arithmetic number, because the mean of its divisors is an integer number (8064311805).

Almost surely, 2^78749157014 is an apocalyptic number.

78749157014 is a deficient number, since it is larger than the sum of its proper divisors (50279831866).

78749157014 is a wasteful number, since it uses less digits than its factorization.

78749157014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4631455.

The product of its (nonzero) digits is 1975680, while the sum is 53.

The spelling of 78749157014 in words is "seventy-eight billion, seven hundred forty-nine million, one hundred fifty-seven thousand, fourteen".