3976951768 has 8 divisors (see below), whose sum is σ = 7456784580. Its totient is φ = 1988475880.

The previous prime is 3976951757. The next prime is 3976951789. The reversal of 3976951768 is 8671596793.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3976951768² = 31632290729996651648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248559478 + ... + 248559493.

Almost surely, 2^3976951768 is an apocalyptic number.

It is an amenable number.

3976951768 is a deficient number, since it is larger than the sum of its proper divisors (3479832812).

3976951768 is a wasteful number, since it uses less digits than its factorization.

3976951768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497118977 (or 497118973 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 61.

The square root of 3976951768 is about 63063.0776921013. The cubic root of 3976951768 is about 1584.3462781956.

The spelling of 3976951768 in words is "three billion, nine hundred seventy-six million, nine hundred fifty-one thousand, seven hundred sixty-eight".