6997624428 has 24 divisors (see below), whose sum is σ = 16335012400. Its totient is φ = 2331509760.

The previous prime is 6997624421. The next prime is 6997624429. The reversal of 6997624428 is 8244267996.

It is not an unprimeable number, because it can be changed into a prime (6997624421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100453 + ... + 155196.

Almost surely, 2^6997624428 is an apocalyptic number.

It is an amenable number.

6997624428 is an abundant number, since it is smaller than the sum of its proper divisors (9337387972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6997624428 is a wasteful number, since it uses less digits than its factorization.

6997624428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257937 (or 257935 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 57.

The square root of 6997624428 is about 83651.8046906341. The cubic root of 6997624428 is about 1912.7147627764.

The spelling of 6997624428 in words is "six billion, nine hundred ninety-seven million, six hundred twenty-four thousand, four hundred twenty-eight".