64157023353077 has 16 divisors (see below), whose sum is σ = 68241671467200. Its totient is φ = 60107487606528.

The previous prime is 64157023353047. The next prime is 64157023353089. The reversal of 64157023353077 is 77035332075146.

It is a cyclic number.

It is not a de Polignac number, because 64157023353077 - 2⁶ = 64157023353013 is a prime.

It is a super-2 number, since 2×64157023353077² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64157023353047) 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, 5728223 + ... + 12693564.

It is an arithmetic number, because the mean of its divisors is an integer number (4265104466700).

Almost surely, 2^{64157023353077} is an apocalyptic number.

It is an amenable number.

64157023353077 is a deficient number, since it is larger than the sum of its proper divisors (4084648114123).

64157023353077 is a wasteful number, since it uses less digits than its factorization.

64157023353077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18422740.

The product of its (nonzero) digits is 11113200, while the sum is 53.

The spelling of 64157023353077 in words is "sixty-four trillion, one hundred fifty-seven billion, twenty-three million, three hundred fifty-three thousand, seventy-seven".