97067399 has 16 divisors (see below), whose sum is σ = 120748320. Its totient is φ = 76661760.

The previous prime is 97067387. The next prime is 97067401. The reversal of 97067399 is 99376079.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97067399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97061399) 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, 17534 + ... + 22395.

It is an arithmetic number, because the mean of its divisors is an integer number (7546770).

Almost surely, 2^97067399 is an apocalyptic number.

97067399 is a deficient number, since it is larger than the sum of its proper divisors (23680921).

97067399 is a wasteful number, since it uses less digits than its factorization.

97067399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39970.

The product of its (nonzero) digits is 642978, while the sum is 50.

The square root of 97067399 is about 9852.2788734384. The cubic root of 97067399 is about 459.5764832235.

The spelling of 97067399 in words is "ninety-seven million, sixty-seven thousand, three hundred ninety-nine".