611872904 has 16 divisors (see below), whose sum is σ = 1149307920. Its totient is φ = 305390800.

The previous prime is 611872901. The next prime is 611872909. The reversal of 611872904 is 409278116.

It is not an unprimeable number, because it can be changed into a prime (611872901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63422 + ... + 72429.

It is an arithmetic number, because the mean of its divisors is an integer number (71831745).

Almost surely, 2^611872904 is an apocalyptic number.

It is an amenable number.

611872904 is a deficient number, since it is larger than the sum of its proper divisors (537435016).

611872904 is a wasteful number, since it uses less digits than its factorization.

611872904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136420 (or 136416 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 611872904 is about 24736.0648446757. The cubic root of 611872904 is about 848.9596980133.

The spelling of 611872904 in words is "six hundred eleven million, eight hundred seventy-two thousand, nine hundred four".