89991702 has 32 divisors (see below), whose sum is σ = 200590560. Its totient is φ = 29905920.

The previous prime is 89991683. The next prime is 89991739. The reversal of 89991702 is 20719998.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16702 + ... + 21422.

It is an arithmetic number, because the mean of its divisors is an integer number (6268455).

Almost surely, 2^89991702 is an apocalyptic number.

89991702 is an abundant number, since it is smaller than the sum of its proper divisors (110598858).

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

89991702 is a wasteful number, since it uses less digits than its factorization.

89991702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5085 (or 5079 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 89991702 is about 9486.3956274235. The cubic root of 89991702 is about 448.1267013818.

It can be divided in two parts, 8999 and 1702, that added together give a palindrome (10701).

The spelling of 89991702 in words is "eighty-nine million, nine hundred ninety-one thousand, seven hundred two".