64952977 has 4 divisors (see below), whose sum is σ = 65054016. Its totient is φ = 64851940.

The previous prime is 64952969. The next prime is 64953071. The reversal of 64952977 is 77925946.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64952977 - 2³ = 64952969 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 64952977.

It is not an unprimeable number, because it can be changed into a prime (64952947) 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, 49549 + ... + 50842.

It is an arithmetic number, because the mean of its divisors is an integer number (16263504).

Almost surely, 2^64952977 is an apocalyptic number.

It is an amenable number.

64952977 is a deficient number, since it is larger than the sum of its proper divisors (101039).

64952977 is a wasteful number, since it uses less digits than its factorization.

64952977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101038.

The product of its digits is 952560, while the sum is 49.

The square root of 64952977 is about 8059.3409780205. The cubic root of 64952977 is about 401.9755952446.

The spelling of 64952977 in words is "sixty-four million, nine hundred fifty-two thousand, nine hundred seventy-seven".