99837379 has 4 divisors (see below), whose sum is σ = 105710184. Its totient is φ = 93964576.

The previous prime is 99837377. The next prime is 99837407. The reversal of 99837379 is 97373899.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 99837379 - 2¹ = 99837377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99837373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2936377 + ... + 2936410.

It is an arithmetic number, because the mean of its divisors is an integer number (26427546).

Almost surely, 2^99837379 is an apocalyptic number.

99837379 is a deficient number, since it is larger than the sum of its proper divisors (5872805).

99837379 is a wasteful number, since it uses less digits than its factorization.

99837379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5872804.

The product of its digits is 2571912, while the sum is 55.

The square root of 99837379 is about 9991.8656416107. The cubic root of 99837379 is about 463.9071402436.

It can be divided in two parts, 9983737 and 9, that added together give a triangular number (9983746 = T₄₄₆₈).

The spelling of 99837379 in words is "ninety-nine million, eight hundred thirty-seven thousand, three hundred seventy-nine".