897857514 has 64 divisors (see below), whose sum is σ = 2033164800. Its totient is φ = 293642496.

The previous prime is 897857507. The next prime is 897857531. The reversal of 897857514 is 415758798.

897857514 is a `hidden beast` number, since 8 + 9 + 78 + 57 + 514 = 666.

It is a super-2 number, since 2×897857514² = 1612296230892520392, which contains 22 as substring.

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

It is a Curzon number.

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, 941662 + ... + 942614.

It is an arithmetic number, because the mean of its divisors is an integer number (31768200).

Almost surely, 2^897857514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897857514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016582400).

897857514 is an abundant number, since it is smaller than the sum of its proper divisors (1135307286).

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

897857514 is a wasteful number, since it uses less digits than its factorization.

897857514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276 (or 1270 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 54.

The square root of 897857514 is about 29964.2706235276. The cubic root of 897857514 is about 964.7226471671.

The spelling of 897857514 in words is "eight hundred ninety-seven million, eight hundred fifty-seven thousand, five hundred fourteen".