64200622677 has 16 divisors (see below), whose sum is σ = 85966291392. Its totient is φ = 42617888640.

The previous prime is 64200622669. The next prime is 64200622693. The reversal of 64200622677 is 77622600246.

It is not a de Polignac number, because 64200622677 - 2³ = 64200622669 is a prime.

It is a super-2 number, since 2×64200622677² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64200621677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1280913 + ... + 1330089.

It is an arithmetic number, because the mean of its divisors is an integer number (5372893212).

Almost surely, 2^64200622677 is an apocalyptic number.

It is an amenable number.

64200622677 is a deficient number, since it is larger than the sum of its proper divisors (21765668715).

64200622677 is a wasteful number, since it uses less digits than its factorization.

64200622677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51028.

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 64200622677 in words is "sixty-four billion, two hundred million, six hundred twenty-two thousand, six hundred seventy-seven".