875407640 has 32 divisors (see below), whose sum is σ = 1993405680. Its totient is φ = 345942912.

The previous prime is 875407633. The next prime is 875407651. The reversal of 875407640 is 46704578.

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, 128519 + ... + 135158.

Almost surely, 2^875407640 is an apocalyptic number.

It is an amenable number.

875407640 is an abundant number, since it is smaller than the sum of its proper divisors (1117998040).

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

875407640 is a wasteful number, since it uses less digits than its factorization.

875407640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263771 (or 263767 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 875407640 is about 29587.2884867809. The cubic root of 875407640 is about 956.6140992347.

The spelling of 875407640 in words is "eight hundred seventy-five million, four hundred seven thousand, six hundred forty".