1979399037976 has 32 divisors (see below), whose sum is σ = 3930567053040. Its totient is φ = 931273832448.

The previous prime is 1979399037943. The next prime is 1979399037991. The reversal of 1979399037976 is 6797309939791.

It is a junction number, because it is equal to n+sod(n) for n = 1979399037896 and 1979399037905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013601 + ... + 2232976.

Almost surely, 2^{1979399037976} is an apocalyptic number.

It is an amenable number.

1979399037976 is a deficient number, since it is larger than the sum of its proper divisors (1951168015064).

1979399037976 is a wasteful number, since it uses less digits than its factorization.

1979399037976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251083 (or 3251079 counting only the distinct ones).

The product of its (nonzero) digits is 1093705578, while the sum is 79.

The spelling of 1979399037976 in words is "one trillion, nine hundred seventy-nine billion, three hundred ninety-nine million, thirty-seven thousand, nine hundred seventy-six".