64051790577 has 16 divisors (see below), whose sum is σ = 85734906432. Its totient is φ = 42535022400.

The previous prime is 64051790567. The next prime is 64051790581. The reversal of 64051790577 is 77509715046.

It is a happy number.

It is not a de Polignac number, because 64051790577 - 2¹⁹ = 64051266289 is a prime.

It is a super-2 number, since 2×64051790577² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64051790527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3690123 + ... + 3707439.

It is an arithmetic number, because the mean of its divisors is an integer number (5358431652).

Almost surely, 2^64051790577 is an apocalyptic number.

It is an amenable number.

64051790577 is a deficient number, since it is larger than the sum of its proper divisors (21683115855).

64051790577 is a wasteful number, since it uses less digits than its factorization.

64051790577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22048.

The product of its (nonzero) digits is 1852200, while the sum is 51.

The spelling of 64051790577 in words is "sixty-four billion, fifty-one million, seven hundred ninety thousand, five hundred seventy-seven".