85418875377 has 80 divisors (see below), whose sum is σ = 146746321920. Its totient is φ = 48971109600.

The previous prime is 85418875349. The next prime is 85418875387. The reversal of 85418875377 is 77357881458.

85418875377 is a `hidden beast` number, since 8 + 5 + 4 + 18 + 87 + 537 + 7 = 666.

It is not a de Polignac number, because 85418875377 - 2¹² = 85418871281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85418875387) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 12574852 + ... + 12581642.

It is an arithmetic number, because the mean of its divisors is an integer number (1834329024).

Almost surely, 2^85418875377 is an apocalyptic number.

It is an amenable number.

85418875377 is a deficient number, since it is larger than the sum of its proper divisors (61327446543).

85418875377 is a wasteful number, since it uses less digits than its factorization.

85418875377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7576 (or 7567 counting only the distinct ones).

The product of its digits is 52684800, while the sum is 63.

The spelling of 85418875377 in words is "eighty-five billion, four hundred eighteen million, eight hundred seventy-five thousand, three hundred seventy-seven".