64126988 has 24 divisors (see below), whose sum is σ = 115057152. Its totient is φ = 31259024.

The previous prime is 64126981. The next prime is 64127017. The reversal of 64126988 is 88962146.

It is a happy number.

It is a super-2 number, since 2×64126988² = 8224541179904288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64126981) 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, 64745 + ... + 65727.

It is an arithmetic number, because the mean of its divisors is an integer number (4794048).

Almost surely, 2^64126988 is an apocalyptic number.

It is an amenable number.

64126988 is a deficient number, since it is larger than the sum of its proper divisors (50930164).

64126988 is a wasteful number, since it uses less digits than its factorization.

64126988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381 (or 1379 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 64126988 is about 8007.9328169010. The cubic root of 64126988 is about 400.2643835482.

The spelling of 64126988 in words is "sixty-four million, one hundred twenty-six thousand, nine hundred eighty-eight".