88756421634 has 24 divisors (see below), whose sum is σ = 192625579692. Its totient is φ = 29536243200.

The previous prime is 88756421623. The next prime is 88756421639. The reversal of 88756421634 is 43612465788.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64565285409 + 24191136225 = 254097^2 + 155535^2 .

It is not an unprimeable number, because it can be changed into a prime (88756421639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4091439 + ... + 4113074.

Almost surely, 2^88756421634 is an apocalyptic number.

88756421634 is an abundant number, since it is smaller than the sum of its proper divisors (103869158058).

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

88756421634 is a wasteful number, since it uses less digits than its factorization.

88756421634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8205122 (or 8205119 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The spelling of 88756421634 in words is "eighty-eight billion, seven hundred fifty-six million, four hundred twenty-one thousand, six hundred thirty-four".