79980102 has 16 divisors (see below), whose sum is σ = 177733680. Its totient is φ = 26660016.

The previous prime is 79980091. The next prime is 79980113. The reversal of 79980102 is 20108997.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (79980091) and next prime (79980113).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 740503 + ... + 740610.

It is an arithmetic number, because the mean of its divisors is an integer number (11108355).

Almost surely, 2^79980102 is an apocalyptic number.

79980102 is an abundant number, since it is smaller than the sum of its proper divisors (97753578).

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

79980102 is a wasteful number, since it uses less digits than its factorization.

79980102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481124 (or 1481118 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 79980102 is about 8943.1595088090. The cubic root of 79980102 is about 430.8512109263.

The spelling of 79980102 in words is "seventy-nine million, nine hundred eighty thousand, one hundred two".