79100012 has 6 divisors (see below), whose sum is σ = 138425028. Its totient is φ = 39550004.

The previous prime is 79099973. The next prime is 79100033. The reversal of 79100012 is 21000197.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9887498 + ... + 9887505.

It is an arithmetic number, because the mean of its divisors is an integer number (23070838).

Almost surely, 2^79100012 is an apocalyptic number.

It is an amenable number.

79100012 is a deficient number, since it is larger than the sum of its proper divisors (59325016).

79100012 is a wasteful number, since it uses less digits than its factorization.

79100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19775007 (or 19775005 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 79100012 is about 8893.8187523695. The cubic root of 79100012 is about 429.2650361914.

It can be divided in two parts, 7 and 9100012, that added together give a palindrome (9100019).

The spelling of 79100012 in words is "seventy-nine million, one hundred thousand, twelve".