79990937948 has 6 divisors (see below), whose sum is σ = 139984141416. Its totient is φ = 39995468972.

The previous prime is 79990937933. The next prime is 79990937951. The reversal of 79990937948 is 84973909997.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9998867240 + ... + 9998867247.

It is an arithmetic number, because the mean of its divisors is an integer number (23330690236).

Almost surely, 2^79990937948 is an apocalyptic number.

It is an amenable number.

79990937948 is a deficient number, since it is larger than the sum of its proper divisors (59993203468).

79990937948 is a wasteful number, since it uses less digits than its factorization.

79990937948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19997734491 (or 19997734489 counting only the distinct ones).

The product of its (nonzero) digits is 277766496, while the sum is 74.

The spelling of 79990937948 in words is "seventy-nine billion, nine hundred ninety million, nine hundred thirty-seven thousand, nine hundred forty-eight".