64606405377 has 8 divisors (see below), whose sum is σ = 86799445920. Its totient is φ = 42742150880.

The previous prime is 64606405327. The next prime is 64606405387. The reversal of 64606405377 is 77350460646.

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

It is a cyclic number.

It is not a de Polignac number, because 64606405377 - 2⁶ = 64606405313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64606405327) 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, 82196052 + ... + 82196837.

It is an arithmetic number, because the mean of its divisors is an integer number (10849930740).

Almost surely, 2^64606405377 is an apocalyptic number.

It is an amenable number.

64606405377 is a deficient number, since it is larger than the sum of its proper divisors (22193040543).

64606405377 is a wasteful number, since it uses less digits than its factorization.

64606405377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164393023.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 64606405377 in words is "sixty-four billion, six hundred six million, four hundred five thousand, three hundred seventy-seven".