97567399 has 8 divisors (see below), whose sum is σ = 98426240. Its totient is φ = 96712056.

The previous prime is 97567391. The next prime is 97567411. The reversal of 97567399 is 99376579.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97567399 - 2³ = 97567391 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 (97567391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100414 + ... + 101380.

It is an arithmetic number, because the mean of its divisors is an integer number (12303280).

Almost surely, 2^97567399 is an apocalyptic number.

97567399 is a deficient number, since it is larger than the sum of its proper divisors (858841).

97567399 is a wasteful number, since it uses less digits than its factorization.

97567399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749.

The product of its digits is 3214890, while the sum is 55.

The square root of 97567399 is about 9877.6211204925. The cubic root of 97567399 is about 460.3642342026.

The spelling of 97567399 in words is "ninety-seven million, five hundred sixty-seven thousand, three hundred ninety-nine".