897753312 has 72 divisors (see below), whose sum is σ = 2612393784. Its totient is φ = 292287744.

The previous prime is 897753281. The next prime is 897753313. The reversal of 897753312 is 213357798.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×897753312² = 1611922018413938688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897753313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23863 + ... + 48630.

It is an arithmetic number, because the mean of its divisors is an integer number (36283247).

Almost surely, 2^897753312 is an apocalyptic number.

It is an amenable number.

897753312 is an abundant number, since it is smaller than the sum of its proper divisors (1714640472).

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

897753312 is a wasteful number, since it uses less digits than its factorization.

897753312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72552 (or 72541 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 897753312 is about 29962.5318022359. The cubic root of 897753312 is about 964.6853250171.

The spelling of 897753312 in words is "eight hundred ninety-seven million, seven hundred fifty-three thousand, three hundred twelve".