662890870 has 16 divisors (see below), whose sum is σ = 1222306848. Its totient is φ = 258688960.

The previous prime is 662890859. The next prime is 662890873. The reversal of 662890870 is 78098266.

It is a self number, because there is not a number n which added to its sum of digits gives 662890870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662890873) 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, 807994 + ... + 808813.

It is an arithmetic number, because the mean of its divisors is an integer number (76394178).

Almost surely, 2^662890870 is an apocalyptic number.

662890870 is a deficient number, since it is larger than the sum of its proper divisors (559415978).

662890870 is a wasteful number, since it uses less digits than its factorization.

662890870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616855.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 662890870 is about 25746.6671629553. The cubic root of 662890870 is about 871.9281102182.

The spelling of 662890870 in words is "six hundred sixty-two million, eight hundred ninety thousand, eight hundred seventy".