964217955 has 32 divisors (see below), whose sum is σ = 1647452160. Its totient is φ = 480493440.

The previous prime is 964217873. The next prime is 964217957. The reversal of 964217955 is 559712469.

It is not a de Polignac number, because 964217955 - 2⁸ = 964217699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (964217957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22267 + ... + 49236.

It is an arithmetic number, because the mean of its divisors is an integer number (51482880).

Almost surely, 2^964217955 is an apocalyptic number.

964217955 is a deficient number, since it is larger than the sum of its proper divisors (683234205).

964217955 is a wasteful number, since it uses less digits than its factorization.

964217955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71571.

The product of its digits is 680400, while the sum is 48.

The square root of 964217955 is about 31051.8591230863. The cubic root of 964217955 is about 987.9274927394.

The spelling of 964217955 in words is "nine hundred sixty-four million, two hundred seventeen thousand, nine hundred fifty-five".