997460763 has 16 divisors (see below), whose sum is σ = 1470962976. Its totient is φ = 597231360.

The previous prime is 997460759. The next prime is 997460767. The reversal of 997460763 is 367064799.

It is an interprime number because it is at equal distance from previous prime (997460759) and next prime (997460767).

It is not a de Polignac number, because 997460763 - 2² = 997460759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (997460767) 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, 344178 + ... + 347063.

It is an arithmetic number, because the mean of its divisors is an integer number (91935186).

Almost surely, 2^997460763 is an apocalyptic number.

997460763 is a deficient number, since it is larger than the sum of its proper divisors (473502213).

997460763 is a wasteful number, since it uses less digits than its factorization.

997460763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691294.

The product of its (nonzero) digits is 1714608, while the sum is 51.

The square root of 997460763 is about 31582.6022202098. The cubic root of 997460763 is about 999.1528702405.

The spelling of 997460763 in words is "nine hundred ninety-seven million, four hundred sixty thousand, seven hundred sixty-three".