78962825887 has 16 divisors (see below), whose sum is σ = 91499866272. Its totient is φ = 67345873920.

The previous prime is 78962825881. The next prime is 78962825897. The reversal of 78962825887 is 78852826987.

It is a cyclic number.

It is not a de Polignac number, because 78962825887 - 2³⁵ = 44603087519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78962825881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 616008 + ... + 733069.

It is an arithmetic number, because the mean of its divisors is an integer number (5718741642).

Almost surely, 2^78962825887 is an apocalyptic number.

78962825887 is a deficient number, since it is larger than the sum of its proper divisors (12537040385).

78962825887 is a wasteful number, since it uses less digits than its factorization.

78962825887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349418.

The product of its digits is 216760320, while the sum is 70.

The spelling of 78962825887 in words is "seventy-eight billion, nine hundred sixty-two million, eight hundred twenty-five thousand, eight hundred eighty-seven".