611972608 has 40 divisors (see below), whose sum is σ = 1316821968. Its totient is φ = 282445824.

The previous prime is 611972593. The next prime is 611972639. The reversal of 611972608 is 806279116.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39316 + ... + 52627.

Almost surely, 2^611972608 is an apocalyptic number.

It is an amenable number.

611972608 is an abundant number, since it is smaller than the sum of its proper divisors (704849360).

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

611972608 is an equidigital number, since it uses as much as digits as its factorization.

611972608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91974 (or 91958 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 611972608 is about 24738.0801195242. The cubic root of 611972608 is about 849.0058078508.

The spelling of 611972608 in words is "six hundred eleven million, nine hundred seventy-two thousand, six hundred eight".