85792137 has 4 divisors (see below), whose sum is σ = 114389520. Its totient is φ = 57194756.

The previous prime is 85792129. The next prime is 85792141. The reversal of 85792137 is 73129758.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85792137 - 2³ = 85792129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85792117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14298687 + ... + 14298692.

It is an arithmetic number, because the mean of its divisors is an integer number (28597380).

Almost surely, 2^85792137 is an apocalyptic number.

It is an amenable number.

85792137 is a deficient number, since it is larger than the sum of its proper divisors (28597383).

85792137 is a wasteful number, since it uses less digits than its factorization.

85792137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28597382.

The product of its digits is 105840, while the sum is 42.

The square root of 85792137 is about 9262.4044934347. The cubic root of 85792137 is about 441.0445859663.

The spelling of 85792137 in words is "eighty-five million, seven hundred ninety-two thousand, one hundred thirty-seven".