7912561214 has 16 divisors (see below), whose sum is σ = 11904423552. Its totient is φ = 3944436888.

The previous prime is 7912561199. The next prime is 7912561271. The reversal of 7912561214 is 4121652197.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1166597 + ... + 1173359.

It is an arithmetic number, because the mean of its divisors is an integer number (744026472).

Almost surely, 2^7912561214 is an apocalyptic number.

7912561214 is a deficient number, since it is larger than the sum of its proper divisors (3991862338).

7912561214 is a wasteful number, since it uses less digits than its factorization.

7912561214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8431.

The product of its digits is 30240, while the sum is 38.

The square root of 7912561214 is about 88952.5784561639. The cubic root of 7912561214 is about 1992.6867251004.

The spelling of 7912561214 in words is "seven billion, nine hundred twelve million, five hundred sixty-one thousand, two hundred fourteen".