89974201850 has 48 divisors (see below), whose sum is σ = 183625794072. Its totient is φ = 32594415360.

The previous prime is 89974201841. The next prime is 89974201861. The reversal of 89974201850 is 5810247998.

It is a Cunningham number, because it is equal to 299957²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 1 + 89974201849 = 1^2 + 299957^2 .

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a junction number, because it is equal to n+sod(n) for n = 89974201792 and 89974201801.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1271417 + ... + 1340316.

Almost surely, 2^89974201850 is an apocalyptic number.

89974201850 is an abundant number, since it is smaller than the sum of its proper divisors (93651592222).

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

89974201850 is a wasteful number, since it uses less digits than its factorization.

89974201850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611811 (or 2611806 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 89974201850 in words is "eighty-nine billion, nine hundred seventy-four million, two hundred one thousand, eight hundred fifty".