78892545237 has 32 divisors (see below), whose sum is σ = 121592509440. Its totient is φ = 44997120000.

The previous prime is 78892545169. The next prime is 78892545247. The reversal of 78892545237 is 73254529887.

It is not a de Polignac number, because 78892545237 - 2⁸ = 78892544981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78892545247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321964 + ... + 511317.

It is an arithmetic number, because the mean of its divisors is an integer number (3799765920).

Almost surely, 2^78892545237 is an apocalyptic number.

It is an amenable number.

78892545237 is a deficient number, since it is larger than the sum of its proper divisors (42699964203).

78892545237 is a wasteful number, since it uses less digits than its factorization.

78892545237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833465.

The product of its digits is 33868800, while the sum is 60.

The spelling of 78892545237 in words is "seventy-eight billion, eight hundred ninety-two million, five hundred forty-five thousand, two hundred thirty-seven".