997075790 has 8 divisors (see below), whose sum is σ = 1794736440. Its totient is φ = 398830312.

The previous prime is 997075759. The next prime is 997075817. The reversal of 997075790 is 97570799.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49853780 + ... + 49853799.

It is an arithmetic number, because the mean of its divisors is an integer number (224342055).

Almost surely, 2^997075790 is an apocalyptic number.

997075790 is a deficient number, since it is larger than the sum of its proper divisors (797660650).

997075790 is a wasteful number, since it uses less digits than its factorization.

997075790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99707586.

The product of its (nonzero) digits is 1250235, while the sum is 53.

The square root of 997075790 is about 31576.5069315781. The cubic root of 997075790 is about 999.0243116752.

The spelling of 997075790 in words is "nine hundred ninety-seven million, seventy-five thousand, seven hundred ninety".