8275139400 has 384 divisors, whose sum is σ = 28926720000. Its totient is φ = 1939891200.

The previous prime is 8275139399. The next prime is 8275139413. The reversal of 8275139400 is 49315728.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30762466 + ... + 30762734.

It is an arithmetic number, because the mean of its divisors is an integer number (75330000).

Almost surely, 2^8275139400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8275139400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14463360000).

8275139400 is an abundant number, since it is smaller than the sum of its proper divisors (20651580600).

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

8275139400 is a wasteful number, since it uses less digits than its factorization.

8275139400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 8275139400 is about 90967.7932017700. The cubic root of 8275139400 is about 2022.6703402292.

The spelling of 8275139400 in words is "eight billion, two hundred seventy-five million, one hundred thirty-nine thousand, four hundred".