64376270755 has 16 divisors (see below), whose sum is σ = 77613984000. Its totient is φ = 51259944960.

The previous prime is 64376270753. The next prime is 64376270813. The reversal of 64376270755 is 55707267346.

It is not a de Polignac number, because 64376270755 - 2¹ = 64376270753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64376270753) 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, 883150 + ... + 953260.

It is an arithmetic number, because the mean of its divisors is an integer number (4850874000).

Almost surely, 2^64376270755 is an apocalyptic number.

64376270755 is a deficient number, since it is larger than the sum of its proper divisors (13237713245).

64376270755 is a wasteful number, since it uses less digits than its factorization.

64376270755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70974.

The product of its (nonzero) digits is 7408800, while the sum is 52.

The spelling of 64376270755 in words is "sixty-four billion, three hundred seventy-six million, two hundred seventy thousand, seven hundred fifty-five".