99758379 has 24 divisors (see below), whose sum is σ = 160446720. Its totient is φ = 54000432.

The previous prime is 99758357. The next prime is 99758387. The reversal of 99758379 is 97385799.

It is not a de Polignac number, because 99758379 - 2⁸ = 99758123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99758339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1002 + ... + 14160.

It is an arithmetic number, because the mean of its divisors is an integer number (6685280).

Almost surely, 2^99758379 is an apocalyptic number.

99758379 is a deficient number, since it is larger than the sum of its proper divisors (60688341).

99758379 is a wasteful number, since it uses less digits than its factorization.

99758379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13207 (or 13188 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 57.

The square root of 99758379 is about 9987.9116435820. The cubic root of 99758379 is about 463.7847467566.

The spelling of 99758379 in words is "ninety-nine million, seven hundred fifty-eight thousand, three hundred seventy-nine".