7897896260 has 12 divisors (see below), whose sum is σ = 16585582188. Its totient is φ = 3159158496.

The previous prime is 7897896233. The next prime is 7897896271. The reversal of 7897896260 is 626987987.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2932439104 + 4965457156 = 54152^2 + 70466^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7897896193 and 7897896202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197447387 + ... + 197447426.

It is an arithmetic number, because the mean of its divisors is an integer number (1382131849).

Almost surely, 2^7897896260 is an apocalyptic number.

It is an amenable number.

7897896260 is an abundant number, since it is smaller than the sum of its proper divisors (8687685928).

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

7897896260 is a wasteful number, since it uses less digits than its factorization.

7897896260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394894822 (or 394894820 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 62.

The square root of 7897896260 is about 88870.1089230794. The cubic root of 7897896260 is about 1991.4548976086.

The spelling of 7897896260 in words is "seven billion, eight hundred ninety-seven million, eight hundred ninety-six thousand, two hundred sixty".