85901667177 has 4 divisors (see below), whose sum is σ = 114535556240. Its totient is φ = 57267778116.

The previous prime is 85901667157. The next prime is 85901667179. The reversal of 85901667177 is 77176610958.

It is a happy number.

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 85901667177 - 2⁶ = 85901667113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85901667179) 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, 14316944527 + ... + 14316944532.

It is an arithmetic number, because the mean of its divisors is an integer number (28633889060).

Almost surely, 2^85901667177 is an apocalyptic number.

It is an amenable number.

85901667177 is a deficient number, since it is larger than the sum of its proper divisors (28633889063).

85901667177 is a wasteful number, since it uses less digits than its factorization.

85901667177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28633889062.

The product of its (nonzero) digits is 4445280, while the sum is 57.

The spelling of 85901667177 in words is "eighty-five billion, nine hundred one million, six hundred sixty-seven thousand, one hundred seventy-seven".