6997979554 has 16 divisors (see below), whose sum is σ = 10748649600. Its totient is φ = 3415490064.

The previous prime is 6997979519. The next prime is 6997979567. The reversal of 6997979554 is 4559797996.

6997979554 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 62589 + ... + 133840.

It is an arithmetic number, because the mean of its divisors is an integer number (671790600).

Almost surely, 2^6997979554 is an apocalyptic number.

6997979554 is a deficient number, since it is larger than the sum of its proper divisors (3750670046).

6997979554 is a wasteful number, since it uses less digits than its factorization.

6997979554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196857.

The product of its digits is 192893400, while the sum is 70.

The square root of 6997979554 is about 83653.9273076883. The cubic root of 6997979554 is about 1912.7471186737.

The spelling of 6997979554 in words is "six billion, nine hundred ninety-seven million, nine hundred seventy-nine thousand, five hundred fifty-four".