99769158 has 60 divisors (see below), whose sum is σ = 237592212. Its totient is φ = 31285440.

The previous prime is 99769139. The next prime is 99769181. The reversal of 99769158 is 85196799.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 45753 + ... + 47883.

Almost surely, 2^99769158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99769158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118796106).

99769158 is an abundant number, since it is smaller than the sum of its proper divisors (137823054).

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

99769158 is a wasteful number, since it uses less digits than its factorization.

99769158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179 (or 2153 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 54.

The square root of 99769158 is about 9988.4512312971. The cubic root of 99769158 is about 463.8014503016.

The spelling of 99769158 in words is "ninety-nine million, seven hundred sixty-nine thousand, one hundred fifty-eight".