897816479 has 8 divisors (see below), whose sum is σ = 1049938560. Its totient is φ = 751660056.

The previous prime is 897816473. The next prime is 897816487. The reversal of 897816479 is 974618798.

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

It is not a de Polignac number, because 897816479 - 2⁴ = 897816463 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 (897816473) 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, 1491089 + ... + 1491690.

It is an arithmetic number, because the mean of its divisors is an integer number (131242320).

Almost surely, 2^897816479 is an apocalyptic number.

897816479 is a deficient number, since it is larger than the sum of its proper divisors (152122081).

897816479 is a wasteful number, since it uses less digits than its factorization.

897816479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982829.

The product of its digits is 6096384, while the sum is 59.

The square root of 897816479 is about 29963.5858835354. The cubic root of 897816479 is about 964.7079499588.

The spelling of 897816479 in words is "eight hundred ninety-seven million, eight hundred sixteen thousand, four hundred seventy-nine".