997467570465 has 16 divisors (see below), whose sum is σ = 1596024374208. Its totient is φ = 531957283776.

The previous prime is 997467570461. The next prime is 997467570479. The reversal of 997467570465 is 564075764799.

It is not a de Polignac number, because 997467570465 - 2² = 997467570461 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 997467570465.

It is not an unprimeable number, because it can be changed into a prime (997467570461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1262242 + ... + 1894251.

It is an arithmetic number, because the mean of its divisors is an integer number (99751523388).

Almost surely, 2^997467570465 is an apocalyptic number.

It is an amenable number.

997467570465 is a deficient number, since it is larger than the sum of its proper divisors (598556803743).

997467570465 is a wasteful number, since it uses less digits than its factorization.

997467570465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177568.

The product of its (nonzero) digits is 400075200, while the sum is 69.

The spelling of 997467570465 in words is "nine hundred ninety-seven billion, four hundred sixty-seven million, five hundred seventy thousand, four hundred sixty-five".