79770195 has 24 divisors (see below), whose sum is σ = 139007232. Its totient is φ = 42316800.

The previous prime is 79770193. The next prime is 79770209. The reversal of 79770195 is 59107797.

It is not a de Polignac number, because 79770195 - 2¹ = 79770193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 79770195.

It is not an unprimeable number, because it can be changed into a prime (79770193) 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, 3955 + ... + 13235.

It is an arithmetic number, because the mean of its divisors is an integer number (5791968).

Almost surely, 2^79770195 is an apocalyptic number.

79770195 is a deficient number, since it is larger than the sum of its proper divisors (59237037).

79770195 is a wasteful number, since it uses less digits than its factorization.

79770195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9483 (or 9480 counting only the distinct ones).

The product of its (nonzero) digits is 138915, while the sum is 45.

The square root of 79770195 is about 8931.4161810992. The cubic root of 79770195 is about 430.4739590977.

The spelling of 79770195 in words is "seventy-nine million, seven hundred seventy thousand, one hundred ninety-five".