64087015797 has 24 divisors (see below), whose sum is σ = 106331486976. Its totient is φ = 36435250656.

The previous prime is 64087015777. The next prime is 64087015799. The reversal of 64087015797 is 79751078046.

64087015797 is a `hidden beast` number, since 64 + 0 + 8 + 7 + 0 + 1 + 579 + 7 = 666.

It is not a de Polignac number, because 64087015797 - 2⁷ = 64087015669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64087015799) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2569453 + ... + 2594274.

It is an arithmetic number, because the mean of its divisors is an integer number (4430478624).

Almost surely, 2^64087015797 is an apocalyptic number.

It is an amenable number.

64087015797 is a deficient number, since it is larger than the sum of its proper divisors (42244471179).

64087015797 is a wasteful number, since it uses less digits than its factorization.

64087015797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163937 (or 5163934 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 64087015797 in words is "sixty-four billion, eighty-seven million, fifteen thousand, seven hundred ninety-seven".