997077286 has 16 divisors (see below), whose sum is σ = 1512280224. Its totient is φ = 492997824.

The previous prime is 997077281. The next prime is 997077329. The reversal of 997077286 is 682770799.

It is a super-2 number, since 2×997077286² = 1988326228514251592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997077281) 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, 161146 + ... + 167218.

It is an arithmetic number, because the mean of its divisors is an integer number (94517514).

Almost surely, 2^997077286 is an apocalyptic number.

997077286 is a deficient number, since it is larger than the sum of its proper divisors (515202938).

997077286 is a wasteful number, since it uses less digits than its factorization.

997077286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6975.

The product of its (nonzero) digits is 2667168, while the sum is 55.

The square root of 997077286 is about 31576.5306200665. The cubic root of 997077286 is about 999.0248113162.

The spelling of 997077286 in words is "nine hundred ninety-seven million, seventy-seven thousand, two hundred eighty-six".