64877795 has 4 divisors (see below), whose sum is σ = 77853360. Its totient is φ = 51902232.

The previous prime is 64877789. The next prime is 64877803. The reversal of 64877795 is 59777846.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64877795 - 2⁶ = 64877731 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6487775 + ... + 6487784.

It is an arithmetic number, because the mean of its divisors is an integer number (19463340).

Almost surely, 2^64877795 is an apocalyptic number.

64877795 is a deficient number, since it is larger than the sum of its proper divisors (12975565).

64877795 is a wasteful number, since it uses less digits than its factorization.

64877795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12975564.

The product of its digits is 2963520, while the sum is 53.

The square root of 64877795 is about 8054.6753503788. The cubic root of 64877795 is about 401.8204419920.

The spelling of 64877795 in words is "sixty-four million, eight hundred seventy-seven thousand, seven hundred ninety-five".