64137857763 has 8 divisors (see below), whose sum is σ = 97733878528. Its totient is φ = 36650204424.

The previous prime is 64137857761. The next prime is 64137857789. The reversal of 64137857763 is 36775873146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64137857763 - 2¹ = 64137857761 is a prime.

It is a super-2 number, since 2×64137857763² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64137857761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1527091831 + ... + 1527091872.

It is an arithmetic number, because the mean of its divisors is an integer number (12216734816).

Almost surely, 2^64137857763 is an apocalyptic number.

64137857763 is a deficient number, since it is larger than the sum of its proper divisors (33596020765).

64137857763 is a wasteful number, since it uses less digits than its factorization.

64137857763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054183713.

The product of its digits is 17781120, while the sum is 57.

The spelling of 64137857763 in words is "sixty-four billion, one hundred thirty-seven million, eight hundred fifty-seven thousand, seven hundred sixty-three".