88642456 has 16 divisors (see below), whose sum is σ = 189948240. Its totient is φ = 37989600.

The previous prime is 88642453. The next prime is 88642457. The reversal of 88642456 is 65424688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88642453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791395 + ... + 791506.

It is an arithmetic number, because the mean of its divisors is an integer number (11871765).

Almost surely, 2^88642456 is an apocalyptic number.

It is an amenable number.

88642456 is an abundant number, since it is smaller than the sum of its proper divisors (101305784).

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

88642456 is a wasteful number, since it uses less digits than its factorization.

88642456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582914 (or 1582910 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 88642456 is about 9415.0122676500. The cubic root of 88642456 is about 445.8758259282.

It can be divided in two parts, 88642 and 456, that added together give a palindrome (89098).

The spelling of 88642456 in words is "eighty-eight million, six hundred forty-two thousand, four hundred fifty-six".