3557797866 has 24 divisors (see below), whose sum is σ = 8809785504. Its totient is φ = 1016513640.

The previous prime is 3557797853. The next prime is 3557797871. The reversal of 3557797866 is 6687977553.

3557797866 is a `hidden beast` number, since 3 + 557 + 7 + 9 + 78 + 6 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14118120 + ... + 14118371.

It is an arithmetic number, because the mean of its divisors is an integer number (367074396).

Almost surely, 2^3557797866 is an apocalyptic number.

3557797866 is an abundant number, since it is smaller than the sum of its proper divisors (5251987638).

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

3557797866 is a wasteful number, since it uses less digits than its factorization.

3557797866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28236506 (or 28236503 counting only the distinct ones).

The product of its digits is 66679200, while the sum is 63.

The square root of 3557797866 is about 59647.2787811816. The cubic root of 3557797866 is about 1526.6064399010.

The spelling of 3557797866 in words is "three billion, five hundred fifty-seven million, seven hundred ninety-seven thousand, eight hundred sixty-six".