79896642 has 16 divisors (see below), whose sum is σ = 182620992. Its totient is φ = 22827600.

The previous prime is 79896559. The next prime is 79896643. The reversal of 79896642 is 24669897.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (79896643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951109 + ... + 951192.

It is an arithmetic number, because the mean of its divisors is an integer number (11413812).

Almost surely, 2^79896642 is an apocalyptic number.

79896642 is an abundant number, since it is smaller than the sum of its proper divisors (102724350).

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

79896642 is a wasteful number, since it uses less digits than its factorization.

79896642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902313.

The product of its digits is 1306368, while the sum is 51.

The square root of 79896642 is about 8938.4921547205. The cubic root of 79896642 is about 430.7012929833.

The spelling of 79896642 in words is "seventy-nine million, eight hundred ninety-six thousand, six hundred forty-two".