3997087076278 has 8 divisors (see below), whose sum is σ = 5995657357272. Its totient is φ = 1998534623856.

The previous prime is 3997087076239. The next prime is 3997087076303. The reversal of 3997087076278 is 8726707807993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3997087076278² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3997087076278.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3881800 + ... + 4802347.

It is an arithmetic number, because the mean of its divisors is an integer number (749457169659).

Almost surely, 2^{3997087076278} is an apocalyptic number.

3997087076278 is a deficient number, since it is larger than the sum of its proper divisors (1998570280994).

3997087076278 is a wasteful number, since it uses less digits than its factorization.

3997087076278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8914286.

The product of its (nonzero) digits is 448084224, while the sum is 73.

The spelling of 3997087076278 in words is "three trillion, nine hundred ninety-seven billion, eighty-seven million, seventy-six thousand, two hundred seventy-eight".