89699902 has 4 divisors (see below), whose sum is σ = 134549856. Its totient is φ = 44849950.

The previous prime is 89699891. The next prime is 89699921. The reversal of 89699902 is 20999698.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20999698 = 2 ⋅10499849.

It is a self number, because there is not a number n which added to its sum of digits gives 89699902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22424974 + ... + 22424977.

It is an arithmetic number, because the mean of its divisors is an integer number (33637464).

Almost surely, 2^89699902 is an apocalyptic number.

89699902 is a deficient number, since it is larger than the sum of its proper divisors (44849954).

89699902 is a wasteful number, since it uses less digits than its factorization.

89699902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44849953.

The product of its (nonzero) digits is 629856, while the sum is 52.

The square root of 89699902 is about 9471.0032203563. The cubic root of 89699902 is about 447.6418234874.

It can be divided in two parts, 89699 and 902, that added together give a square (90601 = 301²).

The spelling of 89699902 in words is "eighty-nine million, six hundred ninety-nine thousand, nine hundred two".