1796666979 has 32 divisors (see below), whose sum is σ = 2571402240. Its totient is φ = 1113944832.

The previous prime is 1796666959. The next prime is 1796666987. The reversal of 1796666979 is 9796666971.

It is not a de Polignac number, because 1796666979 - 2⁸ = 1796666723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1796666929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220327 + ... + 228335.

It is an arithmetic number, because the mean of its divisors is an integer number (80356320).

Almost surely, 2^1796666979 is an apocalyptic number.

1796666979 is a deficient number, since it is larger than the sum of its proper divisors (774735261).

1796666979 is a wasteful number, since it uses less digits than its factorization.

1796666979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8139.

The product of its digits is 46294416, while the sum is 66.

The square root of 1796666979 is about 42387.1086416613. The cubic root of 1796666979 is about 1215.6891164355.

The spelling of 1796666979 in words is "one billion, seven hundred ninety-six million, six hundred sixty-six thousand, nine hundred seventy-nine".