79899150 has 48 divisors (see below), whose sum is σ = 209812464. Its totient is φ = 20052480.

The previous prime is 79899139. The next prime is 79899151. The reversal of 79899150 is 5199897.

It is a self number, because there is not a number n which added to its sum of digits gives 79899150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79899151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13117 + ... + 18216.

It is an arithmetic number, because the mean of its divisors is an integer number (4371093).

Almost surely, 2^79899150 is an apocalyptic number.

79899150 is an abundant number, since it is smaller than the sum of its proper divisors (129913314).

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

79899150 is a wasteful number, since it uses less digits than its factorization.

79899150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31365 (or 31360 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 48.

The square root of 79899150 is about 8938.6324457380. The cubic root of 79899150 is about 430.7057995871.

The spelling of 79899150 in words is "seventy-nine million, eight hundred ninety-nine thousand, one hundred fifty".