897498190479 has 8 divisors (see below), whose sum is σ = 1305451913472. Its totient is φ = 543938297240.

The previous prime is 897498190471. The next prime is 897498190481. The reversal of 897498190479 is 974091894798.

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

It is a cyclic number.

It is not a de Polignac number, because 897498190479 - 2³ = 897498190471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 897498190479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897498190471) 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, 13598457399 + ... + 13598457464.

It is an arithmetic number, because the mean of its divisors is an integer number (163181489184).

Almost surely, 2^897498190479 is an apocalyptic number.

897498190479 is a deficient number, since it is larger than the sum of its proper divisors (407953722993).

897498190479 is a wasteful number, since it uses less digits than its factorization.

897498190479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27196914877.

The product of its (nonzero) digits is 329204736, while the sum is 75.

The spelling of 897498190479 in words is "eight hundred ninety-seven billion, four hundred ninety-eight million, one hundred ninety thousand, four hundred seventy-nine".