79188949 has 12 divisors (see below), whose sum is σ = 93035628. Its totient is φ = 67200000.

The previous prime is 79188947. The next prime is 79188953. The reversal of 79188949 is 94988197.

It can be written as a sum of positive squares in 2 ways, for example, as 72335025 + 6853924 = 8505^2 + 2618^2 .

It is not a de Polignac number, because 79188949 - 2¹ = 79188947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79188949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79188947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3052 + ... + 12949.

It is an arithmetic number, because the mean of its divisors is an integer number (7752969).

Almost surely, 2^79188949 is an apocalyptic number.

It is an amenable number.

79188949 is a deficient number, since it is larger than the sum of its proper divisors (13846679).

79188949 is a wasteful number, since it uses less digits than its factorization.

79188949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16116 (or 16109 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 55.

The square root of 79188949 is about 8898.8172809649. The cubic root of 79188949 is about 429.4258589441.

The spelling of 79188949 in words is "seventy-nine million, one hundred eighty-eight thousand, nine hundred forty-nine".