7897082238 has 12 divisors (see below), whose sum is σ = 17110344888. Its totient is φ = 2632360740.

The previous prime is 7897082189. The next prime is 7897082239. The reversal of 7897082238 is 8322807987.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7897082239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 219363378 + ... + 219363413.

It is an arithmetic number, because the mean of its divisors is an integer number (1425862074).

Almost surely, 2^7897082238 is an apocalyptic number.

7897082238 is an abundant number, since it is smaller than the sum of its proper divisors (9213262650).

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

7897082238 is a wasteful number, since it uses less digits than its factorization.

7897082238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438726799 (or 438726796 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The square root of 7897082238 is about 88865.5289637101. The cubic root of 7897082238 is about 1991.3864766966.

The spelling of 7897082238 in words is "seven billion, eight hundred ninety-seven million, eighty-two thousand, two hundred thirty-eight".