897983280 has 160 divisors (see below), whose sum is σ = 3103372800. Its totient is φ = 238664448.

The previous prime is 897983267. The next prime is 897983291. The reversal of 897983280 is 82389798.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 947767 + ... + 948713.

It is an arithmetic number, because the mean of its divisors is an integer number (19396080).

Almost surely, 2^897983280 is an apocalyptic number.

897983280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897983280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1551686400).

897983280 is an abundant number, since it is smaller than the sum of its proper divisors (2205389520).

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

897983280 is a wasteful number, since it uses less digits than its factorization.

897983280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 897983280 is about 29966.3691494315. The cubic root of 897983280 is about 964.7676890741.

The spelling of 897983280 in words is "eight hundred ninety-seven million, nine hundred eighty-three thousand, two hundred eighty".