864297955 has 8 divisors (see below), whose sum is σ = 1037486304. Its totient is φ = 691219200.

The previous prime is 864297947. The next prime is 864297961. The reversal of 864297955 is 559792468.

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

It is not a de Polignac number, because 864297955 - 2³ = 864297947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 864297896 and 864297905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8911 + ... + 42520.

It is an arithmetic number, because the mean of its divisors is an integer number (129685788).

Almost surely, 2^864297955 is an apocalyptic number.

864297955 is a deficient number, since it is larger than the sum of its proper divisors (173188349).

864297955 is a wasteful number, since it uses less digits than its factorization.

864297955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54797.

The product of its digits is 5443200, while the sum is 55.

The square root of 864297955 is about 29398.9447939888. The cubic root of 864297955 is about 952.5501033387.

The spelling of 864297955 in words is "eight hundred sixty-four million, two hundred ninety-seven thousand, nine hundred fifty-five".