89881745626 has 8 divisors (see below), whose sum is σ = 134825813460. Its totient is φ = 44939807808.

The previous prime is 89881745617. The next prime is 89881745663. The reversal of 89881745626 is 62654718898.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 83680025625 + 6201720001 = 289275^2 + 78751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422461 + ... + 598528.

Almost surely, 2^89881745626 is an apocalyptic number.

89881745626 is a deficient number, since it is larger than the sum of its proper divisors (44944067834).

89881745626 is a wasteful number, since it uses less digits than its factorization.

89881745626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065008.

The product of its digits is 46448640, while the sum is 64.

The spelling of 89881745626 in words is "eighty-nine billion, eight hundred eighty-one million, seven hundred forty-five thousand, six hundred twenty-six".