78500726951 has 8 divisors (see below), whose sum is σ = 82935472320. Its totient is φ = 74181169888.

The previous prime is 78500726929. The next prime is 78500726977. The reversal of 78500726951 is 15962700587.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78500726951 - 2¹⁴ = 78500710567 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78500726951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78500726921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28795676 + ... + 28798401.

It is an arithmetic number, because the mean of its divisors is an integer number (10366934040).

Almost surely, 2^78500726951 is an apocalyptic number.

78500726951 is a deficient number, since it is larger than the sum of its proper divisors (4434745369).

78500726951 is a wasteful number, since it uses less digits than its factorization.

78500726951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57594153.

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 78500726951 in words is "seventy-eight billion, five hundred million, seven hundred twenty-six thousand, nine hundred fifty-one".