64797882 has 16 divisors (see below), whose sum is σ = 129692640. Its totient is φ = 21583152.

The previous prime is 64797881. The next prime is 64797883. The reversal of 64797882 is 28879746.

It is an interprime number because it is at equal distance from previous prime (64797881) and next prime (64797883).

It is a super-3 number, since 3×64797882³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (64797881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6969 + ... + 13347.

It is an arithmetic number, because the mean of its divisors is an integer number (8105790).

Almost surely, 2^64797882 is an apocalyptic number.

64797882 is an abundant number, since it is smaller than the sum of its proper divisors (64894758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64797882 is a wasteful number, since it uses less digits than its factorization.

64797882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8077.

The product of its digits is 1354752, while the sum is 51.

The square root of 64797882 is about 8049.7131625916. The cubic root of 64797882 is about 401.6553938936.

The spelling of 64797882 in words is "sixty-four million, seven hundred ninety-seven thousand, eight hundred eighty-two".