897043287 has 8 divisors (see below), whose sum is σ = 1366923136. Its totient is φ = 512596152.

The previous prime is 897043271. The next prime is 897043307. The reversal of 897043287 is 782340798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 897043287 - 2⁴ = 897043271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897043237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21358153 + ... + 21358194.

It is an arithmetic number, because the mean of its divisors is an integer number (170865392).

Almost surely, 2^897043287 is an apocalyptic number.

897043287 is a deficient number, since it is larger than the sum of its proper divisors (469879849).

897043287 is a wasteful number, since it uses less digits than its factorization.

897043287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42716357.

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 897043287 is about 29950.6809104568. The cubic root of 897043287 is about 964.4309376326.

The spelling of 897043287 in words is "eight hundred ninety-seven million, forty-three thousand, two hundred eighty-seven".