64101277157 has 4 divisors (see below), whose sum is σ = 64144855296. Its totient is φ = 64057699020.

The previous prime is 64101277129. The next prime is 64101277169. The reversal of 64101277157 is 75177210146.

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, and also an emirpimes, since its reverse is a distinct semiprime: 75177210146 = 2 ⋅37588605073.

It is a cyclic number.

It is not a de Polignac number, because 64101277157 - 2⁸ = 64101276901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64101277117) 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, 21786863 + ... + 21789804.

It is an arithmetic number, because the mean of its divisors is an integer number (16036213824).

Almost surely, 2^64101277157 is an apocalyptic number.

It is an amenable number.

64101277157 is a deficient number, since it is larger than the sum of its proper divisors (43578139).

64101277157 is a wasteful number, since it uses less digits than its factorization.

64101277157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43578138.

The product of its (nonzero) digits is 82320, while the sum is 41.

The spelling of 64101277157 in words is "sixty-four billion, one hundred one million, two hundred seventy-seven thousand, one hundred fifty-seven".