997113854 has 16 divisors (see below), whose sum is σ = 1634676336. Its totient is φ = 452390400.

The previous prime is 997113841. The next prime is 997113911. The reversal of 997113854 is 458311799.

It is a junction number, because it is equal to n+sod(n) for n = 997113799 and 997113808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29987 + ... + 53790.

It is an arithmetic number, because the mean of its divisors is an integer number (102167271).

Almost surely, 2^997113854 is an apocalyptic number.

997113854 is a deficient number, since it is larger than the sum of its proper divisors (637562482).

997113854 is a wasteful number, since it uses less digits than its factorization.

997113854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84331.

The product of its digits is 272160, while the sum is 47.

The square root of 997113854 is about 31577.1096524049. The cubic root of 997113854 is about 999.0370243088.

The spelling of 997113854 in words is "nine hundred ninety-seven million, one hundred thirteen thousand, eight hundred fifty-four".