64479698 has 16 divisors (see below), whose sum is σ = 98008704. Its totient is φ = 31812720.

The previous prime is 64479689. The next prime is 64479707. The reversal of 64479698 is 89697446.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (64479689) and next prime (64479707).

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, 78128 + ... + 78948.

It is an arithmetic number, because the mean of its divisors is an integer number (6125544).

Almost surely, 2^64479698 is an apocalyptic number.

64479698 is a deficient number, since it is larger than the sum of its proper divisors (33529006).

64479698 is a wasteful number, since it uses less digits than its factorization.

64479698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297.

The product of its digits is 2612736, while the sum is 53.

The square root of 64479698 is about 8029.9251553175. The cubic root of 64479698 is about 400.9968843235.

The spelling of 64479698 in words is "sixty-four million, four hundred seventy-nine thousand, six hundred ninety-eight".