64963115 has 8 divisors (see below), whose sum is σ = 89092320. Its totient is φ = 44546112.

The previous prime is 64963091. The next prime is 64963117. The reversal of 64963115 is 51136946.

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 64963115 - 2⁶ = 64963051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1856089 = 64963115 / (6 + 4 + 9 + 6 + 3 + 1 + 1 + 5).

It is not an unprimeable number, because it can be changed into a prime (64963117) 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, 928010 + ... + 928079.

It is an arithmetic number, because the mean of its divisors is an integer number (11136540).

Almost surely, 2^64963115 is an apocalyptic number.

64963115 is a deficient number, since it is larger than the sum of its proper divisors (24129205).

64963115 is a wasteful number, since it uses less digits than its factorization.

64963115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856101.

The product of its digits is 19440, while the sum is 35.

The square root of 64963115 is about 8059.9699130952. The cubic root of 64963115 is about 401.9965078944.

The spelling of 64963115 in words is "sixty-four million, nine hundred sixty-three thousand, one hundred fifteen".