997376895 has 80 divisors (see below), whose sum is σ = 1843319808. Its totient is φ = 515678400.

The previous prime is 997376869. The next prime is 997376909. The reversal of 997376895 is 598673799.

It is not a de Polignac number, because 997376895 - 2⁷ = 997376767 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2874112 + ... + 2874458.

Almost surely, 2^997376895 is an apocalyptic number.

997376895 is a deficient number, since it is larger than the sum of its proper divisors (845942913).

997376895 is a wasteful number, since it uses less digits than its factorization.

997376895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 553 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 63.

The square root of 997376895 is about 31581.2744359692. The cubic root of 997376895 is about 999.1248660306.

It can be divided in two parts, 9973 and 76895, that added together give a palindrome (86868).

The spelling of 997376895 in words is "nine hundred ninety-seven million, three hundred seventy-six thousand, eight hundred ninety-five".