7942872215 has 8 divisors (see below), whose sum is σ = 9532673520. Its totient is φ = 6353479872.

The previous prime is 7942872193. The next prime is 7942872221. The reversal of 7942872215 is 5122782497.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7942872215 - 2¹⁰ = 7942871191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7942872215.

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, 57749 + ... + 138638.

It is an arithmetic number, because the mean of its divisors is an integer number (1191584190).

Almost surely, 2^7942872215 is an apocalyptic number.

7942872215 is a deficient number, since it is larger than the sum of its proper divisors (1589801305).

7942872215 is a wasteful number, since it uses less digits than its factorization.

7942872215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204481.

The product of its digits is 564480, while the sum is 47.

The square root of 7942872215 is about 89122.7929039480. The cubic root of 7942872215 is about 1995.2279741906.

The spelling of 7942872215 in words is "seven billion, nine hundred forty-two million, eight hundred seventy-two thousand, two hundred fifteen".