609372478 has 16 divisors (see below), whose sum is σ = 1073859696. Its totient is φ = 255680640.

The previous prime is 609372377. The next prime is 609372509. The reversal of 609372478 is 874273906.

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 7 ways as a sum of consecutive naturals, for example, 1065051 + ... + 1065622.

It is an arithmetic number, because the mean of its divisors is an integer number (67116231).

Almost surely, 2^609372478 is an apocalyptic number.

609372478 is a deficient number, since it is larger than the sum of its proper divisors (464487218).

609372478 is a wasteful number, since it uses less digits than its factorization.

609372478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130699.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 609372478 is about 24685.4709900378. The cubic root of 609372478 is about 847.8016911608.

The spelling of 609372478 in words is "six hundred nine million, three hundred seventy-two thousand, four hundred seventy-eight".