6197779479 has 16 divisors (see below), whose sum is σ = 8629862400. Its totient is φ = 3949060896.

The previous prime is 6197779463. The next prime is 6197779493. The reversal of 6197779479 is 9749777916.

It is not a de Polignac number, because 6197779479 - 2⁴ = 6197779463 is a prime.

It is a super-2 number, since 2×6197779479² = 76824940940627022882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6197779079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53137 + ... + 123365.

It is an arithmetic number, because the mean of its divisors is an integer number (539366400).

Almost surely, 2^6197779479 is an apocalyptic number.

6197779479 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

6197779479 is a deficient number, since it is larger than the sum of its proper divisors (2432082921).

6197779479 is a wasteful number, since it uses less digits than its factorization.

6197779479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71534.

The product of its digits is 42007896, while the sum is 66.

The square root of 6197779479 is about 78725.9771549391. The cubic root of 6197779479 is about 1836.8712067217.

The spelling of 6197779479 in words is "six billion, one hundred ninety-seven million, seven hundred seventy-nine thousand, four hundred seventy-nine".