6366776972 has 24 divisors (see below), whose sum is σ = 11268850656. Its totient is φ = 3147176448.

The previous prime is 6366776953. The next prime is 6366776987. The reversal of 6366776972 is 2796776636.

It is a super-2 number, since 2×6366776972² = 81071698022378977568, which contains 22 as substring.

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, 373058 + ... + 389750.

It is an arithmetic number, because the mean of its divisors is an integer number (469535444).

Almost surely, 2^6366776972 is an apocalyptic number.

It is an amenable number.

6366776972 is a deficient number, since it is larger than the sum of its proper divisors (4902073684).

6366776972 is a wasteful number, since it uses less digits than its factorization.

6366776972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17777 (or 17775 counting only the distinct ones).

The product of its digits is 24004512, while the sum is 59.

The square root of 6366776972 is about 79792.0858982894. The cubic root of 6366776972 is about 1853.4172992024.

The spelling of 6366776972 in words is "six billion, three hundred sixty-six million, seven hundred seventy-six thousand, nine hundred seventy-two".