7895398872 has 32 divisors (see below), whose sum is σ = 19832057280. Its totient is φ = 2619324960.

The previous prime is 7895398843. The next prime is 7895398891. The reversal of 7895398872 is 2788935987.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774498 + ... + 784625.

It is an arithmetic number, because the mean of its divisors is an integer number (619751790).

Almost surely, 2^7895398872 is an apocalyptic number.

It is an amenable number.

7895398872 is an abundant number, since it is smaller than the sum of its proper divisors (11936658408).

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

7895398872 is a wasteful number, since it uses less digits than its factorization.

7895398872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559343 (or 1559339 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 66.

The square root of 7895398872 is about 88856.0570360851. The cubic root of 7895398872 is about 1991.2449699812.

The spelling of 7895398872 in words is "seven billion, eight hundred ninety-five million, three hundred ninety-eight thousand, eight hundred seventy-two".