64376624475 has 24 divisors (see below), whose sum is σ = 118262244720. Its totient is φ = 34334199360.

The previous prime is 64376624461. The next prime is 64376624497. The reversal of 64376624475 is 57442667346.

64376624475 is a `hidden beast` number, since 6 + 4 + 3 + 7 + 6 + 624 + 4 + 7 + 5 = 666.

It is not a de Polignac number, because 64376624475 - 2⁹ = 64376623963 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47685714 + ... + 47687063.

It is an arithmetic number, because the mean of its divisors is an integer number (4927593530).

Almost surely, 2^64376624475 is an apocalyptic number.

64376624475 is a deficient number, since it is larger than the sum of its proper divisors (53885620245).

64376624475 is a wasteful number, since it uses less digits than its factorization.

64376624475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95372796 (or 95372785 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 54.

The spelling of 64376624475 in words is "sixty-four billion, three hundred seventy-six million, six hundred twenty-four thousand, four hundred seventy-five".