8257880 has 16 divisors (see below), whose sum is σ = 18580320. Its totient is φ = 3303136.

The previous prime is 8257871. The next prime is 8257883. The reversal of 8257880 is 887528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8257883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103184 + ... + 103263.

It is an arithmetic number, because the mean of its divisors is an integer number (1161270).

Almost surely, 2^8257880 is an apocalyptic number.

It is an amenable number.

8257880 is an abundant number, since it is smaller than the sum of its proper divisors (10322440).

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

8257880 is a wasteful number, since it uses less digits than its factorization.

8257880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206458 (or 206454 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 8257880 is about 2873.6527278013. The cubic root of 8257880 is about 202.1263138348.

The spelling of 8257880 in words is "eight million, two hundred fifty-seven thousand, eight hundred eighty".