857580480 has 112 divisors (see below), whose sum is σ = 3025383840. Its totient is φ = 228685824.

The previous prime is 857580469. The next prime is 857580481. The reversal of 857580480 is 84085758.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857580481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40989 + ... + 58268.

Almost surely, 2^857580480 is an apocalyptic number.

857580480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

857580480 is an abundant number, since it is smaller than the sum of its proper divisors (2167803360).

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

857580480 is a wasteful number, since it uses less digits than its factorization.

857580480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99283 (or 99267 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 857580480 is about 29284.4750678581. The cubic root of 857580480 is about 950.0758868281.

The spelling of 857580480 in words is "eight hundred fifty-seven million, five hundred eighty thousand, four hundred eighty".