679528902 has 64 divisors (see below), whose sum is σ = 1510939584. Its totient is φ = 202383360.

The previous prime is 679528891. The next prime is 679528903. The reversal of 679528902 is 209825976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679528903) 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 31 ways as a sum of consecutive naturals, for example, 695038 + ... + 696014.

It is an arithmetic number, because the mean of its divisors is an integer number (23608431).

Almost surely, 2^679528902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679528902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (755469792).

679528902 is an abundant number, since it is smaller than the sum of its proper divisors (831410682).

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

679528902 is a wasteful number, since it uses less digits than its factorization.

679528902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 679528902 is about 26067.7751639836. The cubic root of 679528902 is about 879.1628151979.

The spelling of 679528902 in words is "six hundred seventy-nine million, five hundred twenty-eight thousand, nine hundred two".