97567983 has 20 divisors (see below), whose sum is σ = 153423160. Its totient is φ = 61620912.

The previous prime is 97567979. The next prime is 97567997. The reversal of 97567983 is 38976579.

It is not a de Polignac number, because 97567983 - 2² = 97567979 is a prime.

It is a super-2 number, since 2×97567983² = 19039022613376578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97567933) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30160 + ... + 33237.

It is an arithmetic number, because the mean of its divisors is an integer number (7671158).

Almost surely, 2^97567983 is an apocalyptic number.

97567983 is a deficient number, since it is larger than the sum of its proper divisors (55855177).

97567983 is a wasteful number, since it uses less digits than its factorization.

97567983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63428 (or 63419 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 97567983 is about 9877.6506822220. The cubic root of 97567983 is about 460.3651527204.

The spelling of 97567983 in words is "ninety-seven million, five hundred sixty-seven thousand, nine hundred eighty-three".