99976773 has 8 divisors (see below), whose sum is σ = 143556448. Its totient is φ = 61524144.

The previous prime is 99976771. The next prime is 99976777. The reversal of 99976773 is 37767999.

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

It is not a de Polignac number, because 99976773 - 2¹ = 99976771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99976771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281715 + ... + 1281792.

It is an arithmetic number, because the mean of its divisors is an integer number (17944556).

Almost surely, 2^99976773 is an apocalyptic number.

It is an amenable number.

99976773 is a deficient number, since it is larger than the sum of its proper divisors (43579675).

99976773 is a wasteful number, since it uses less digits than its factorization.

99976773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563523.

The product of its digits is 4500846, while the sum is 57.

The square root of 99976773 is about 9998.8385825555. The cubic root of 99976773 is about 464.1229438506.

The spelling of 99976773 in words is "ninety-nine million, nine hundred seventy-six thousand, seven hundred seventy-three".