7875242646 has 12 divisors (see below), whose sum is σ = 15750920052. Its totient is φ = 2625008424.

The previous prime is 7875242633. The next prime is 7875242671. The reversal of 7875242646 is 6462425787.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 199260 + ... + 235488.

It is an arithmetic number, because the mean of its divisors is an integer number (1312576671).

Almost surely, 2^7875242646 is an apocalyptic number.

7875242646 is an abundant number, since it is smaller than the sum of its proper divisors (7875677406).

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

7875242646 is an frugal number, since it uses more digits than its factorization.

7875242646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72463 (or 36234 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 51.

The square root of 7875242646 is about 88742.5638912918. The cubic root of 7875242646 is about 1989.5490376498.

The spelling of 7875242646 in words is "seven billion, eight hundred seventy-five million, two hundred forty-two thousand, six hundred forty-six".