64179073854 has 24 divisors (see below), whose sum is σ = 158919611760. Its totient is φ = 18336878208.

The previous prime is 64179073853. The next prime is 64179073879. The reversal of 64179073854 is 45837097146.

It is a self number, because there is not a number n which added to its sum of digits gives 64179073854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64179073853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254678739 + ... + 254678990.

It is an arithmetic number, because the mean of its divisors is an integer number (6621650490).

Almost surely, 2^64179073854 is an apocalyptic number.

64179073854 is an abundant number, since it is smaller than the sum of its proper divisors (94740537906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64179073854 is a wasteful number, since it uses less digits than its factorization.

64179073854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509357744 (or 509357741 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 64179073854 in words is "sixty-four billion, one hundred seventy-nine million, seventy-three thousand, eight hundred fifty-four".