897496547 has 4 divisors (see below), whose sum is σ = 936518160. Its totient is φ = 858474936.

The previous prime is 897496507. The next prime is 897496573. The reversal of 897496547 is 745694798.

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 897496547 - 2¹⁰ = 897495523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (897496507) 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, 19510772 + ... + 19510817.

It is an arithmetic number, because the mean of its divisors is an integer number (234129540).

Almost surely, 2^897496547 is an apocalyptic number.

897496547 is a deficient number, since it is larger than the sum of its proper divisors (39021613).

897496547 is a wasteful number, since it uses less digits than its factorization.

897496547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39021612.

The product of its digits is 15240960, while the sum is 59.

The square root of 897496547 is about 29958.2467277376. The cubic root of 897496547 is about 964.5933468748.

The spelling of 897496547 in words is "eight hundred ninety-seven million, four hundred ninety-six thousand, five hundred forty-seven".