6997622392 has 8 divisors (see below), whose sum is σ = 13120542000. Its totient is φ = 3498811192.

The previous prime is 6997622353. The next prime is 6997622407. The reversal of 6997622392 is 2932267996.

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

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 437351392 + ... + 437351407.

It is an arithmetic number, because the mean of its divisors is an integer number (1640067750).

Almost surely, 2^6997622392 is an apocalyptic number.

It is an amenable number.

6997622392 is a deficient number, since it is larger than the sum of its proper divisors (6122919608).

6997622392 is a wasteful number, since it uses less digits than its factorization.

6997622392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874702805 (or 874702801 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 55.

The square root of 6997622392 is about 83651.7925211409. The cubic root of 6997622392 is about 1912.7145772712.

The spelling of 6997622392 in words is "six billion, nine hundred ninety-seven million, six hundred twenty-two thousand, three hundred ninety-two".