85977417191422 has 16 divisors (see below), whose sum is σ = 130157697146400. Its totient is φ = 42591569027040.

The previous prime is 85977417191371. The next prime is 85977417191423. The reversal of 85977417191422 is 22419171477958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85977417191423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9331897 + ... + 16094692.

It is an arithmetic number, because the mean of its divisors is an integer number (8134856071650).

Almost surely, 2^{85977417191422} is an apocalyptic number.

85977417191422 is a deficient number, since it is larger than the sum of its proper divisors (44180279954978).

85977417191422 is a wasteful number, since it uses less digits than its factorization.

85977417191422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25442211.

The product of its digits is 71124480, while the sum is 67.

The spelling of 85977417191422 in words is "eighty-five trillion, nine hundred seventy-seven billion, four hundred seventeen million, one hundred ninety-one thousand, four hundred twenty-two".