85180737 has 4 divisors (see below), whose sum is σ = 113574320. Its totient is φ = 56787156.

The previous prime is 85180663. The next prime is 85180741. The reversal of 85180737 is 73708158.

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 not a de Polignac number, because 85180737 - 2⁷ = 85180609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85180695 and 85180704.

It is not an unprimeable number, because it can be changed into a prime (85180747) 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, 14196787 + ... + 14196792.

It is an arithmetic number, because the mean of its divisors is an integer number (28393580).

Almost surely, 2^85180737 is an apocalyptic number.

It is an amenable number.

85180737 is a deficient number, since it is larger than the sum of its proper divisors (28393583).

85180737 is a wasteful number, since it uses less digits than its factorization.

85180737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28393582.

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 85180737 is about 9229.3410924074. The cubic root of 85180737 is about 439.9943818153.

The spelling of 85180737 in words is "eighty-five million, one hundred eighty thousand, seven hundred thirty-seven".