85590777 has 4 divisors (see below), whose sum is σ = 114121040. Its totient is φ = 57060516.

The previous prime is 85590773. The next prime is 85590781. The reversal of 85590777 is 77709558.

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 an interprime number because it is at equal distance from previous prime (85590773) and next prime (85590781).

It is not a de Polignac number, because 85590777 - 2² = 85590773 is a prime.

It is a super-2 number, since 2×85590777² = 14651562214927458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85590773) 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, 14265127 + ... + 14265132.

It is an arithmetic number, because the mean of its divisors is an integer number (28530260).

Almost surely, 2^85590777 is an apocalyptic number.

It is an amenable number.

85590777 is a deficient number, since it is larger than the sum of its proper divisors (28530263).

85590777 is a wasteful number, since it uses less digits than its factorization.

85590777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28530262.

The product of its (nonzero) digits is 617400, while the sum is 48.

The square root of 85590777 is about 9251.5283602224. The cubic root of 85590777 is about 440.6992617453.

The spelling of 85590777 in words is "eighty-five million, five hundred ninety thousand, seven hundred seventy-seven".