17934027979 has 12 divisors (see below), whose sum is σ = 20865257208. Its totient is φ = 15369648000.

The previous prime is 17934027973. The next prime is 17934027989. The reversal of 17934027979 is 97972043971.

It is not a de Polignac number, because 17934027979 - 2⁷ = 17934027851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17934027973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340539 + ... + 389659.

It is an arithmetic number, because the mean of its divisors is an integer number (1738771434).

Almost surely, 2^17934027979 is an apocalyptic number.

17934027979 is a deficient number, since it is larger than the sum of its proper divisors (2931229229).

17934027979 is an equidigital number, since it uses as much as digits as its factorization.

17934027979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56586 (or 56579 counting only the distinct ones).

The product of its (nonzero) digits is 6001128, while the sum is 58.

The spelling of 17934027979 in words is "seventeen billion, nine hundred thirty-four million, twenty-seven thousand, nine hundred seventy-nine".