64424662087 has 4 divisors (see below), whose sum is σ = 64425170016. Its totient is φ = 64424154160.

The previous prime is 64424662067. The next prime is 64424662103. The reversal of 64424662087 is 78026642446.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 64424662087 - 2²³ = 64416273479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64424662087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64424662007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114162 + ... + 376672.

It is an arithmetic number, because the mean of its divisors is an integer number (16106292504).

Almost surely, 2^64424662087 is an apocalyptic number.

64424662087 is a deficient number, since it is larger than the sum of its proper divisors (507929).

64424662087 is a wasteful number, since it uses less digits than its factorization.

64424662087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507928.

The product of its (nonzero) digits is 3096576, while the sum is 49.

The spelling of 64424662087 in words is "sixty-four billion, four hundred twenty-four million, six hundred sixty-two thousand, eighty-seven".