97669967 has 4 divisors (see below), whose sum is σ = 99271176. Its totient is φ = 96068760.

The previous prime is 97669963. The next prime is 97669969. The reversal of 97669967 is 76996679.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76996679 = 1283 ⋅60013.

It is a cyclic number.

It is not a de Polignac number, because 97669967 - 2² = 97669963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97669963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800513 + ... + 800634.

It is an arithmetic number, because the mean of its divisors is an integer number (24817794).

Almost surely, 2^97669967 is an apocalyptic number.

97669967 is a deficient number, since it is larger than the sum of its proper divisors (1601209).

97669967 is a wasteful number, since it uses less digits than its factorization.

97669967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601208.

The product of its digits is 7715736, while the sum is 59.

The square root of 97669967 is about 9882.8116950593. The cubic root of 97669967 is about 460.5254974342.

The spelling of 97669967 in words is "ninety-seven million, six hundred sixty-nine thousand, nine hundred sixty-seven".