897760427 has 4 divisors (see below), whose sum is σ = 901485816. Its totient is φ = 894035040.

The previous prime is 897760421. The next prime is 897760439. The reversal of 897760427 is 724067798.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 897760427 - 2¹⁶ = 897694891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (897760421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1862333 + ... + 1862814.

It is an arithmetic number, because the mean of its divisors is an integer number (225371454).

Almost surely, 2^897760427 is an apocalyptic number.

897760427 is a deficient number, since it is larger than the sum of its proper divisors (3725389).

897760427 is a wasteful number, since it uses less digits than its factorization.

897760427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3725388.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The square root of 897760427 is about 29962.6505336227. The cubic root of 897760427 is about 964.6878734967.

The spelling of 897760427 in words is "eight hundred ninety-seven million, seven hundred sixty thousand, four hundred twenty-seven".