97367987 has 4 divisors (see below), whose sum is σ = 97397280. Its totient is φ = 97338696.

The previous prime is 97367983. The next prime is 97367999. The reversal of 97367987 is 78976379.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97367987 - 2² = 97367983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97367983) 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, 8912 + ... + 16557.

It is an arithmetic number, because the mean of its divisors is an integer number (24349320).

Almost surely, 2^97367987 is an apocalyptic number.

97367987 is a deficient number, since it is larger than the sum of its proper divisors (29293).

97367987 is a wasteful number, since it uses less digits than its factorization.

97367987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29292.

The product of its digits is 4000752, while the sum is 56.

The square root of 97367987 is about 9867.5218266797. The cubic root of 97367987 is about 460.0503835802.

The spelling of 97367987 in words is "ninety-seven million, three hundred sixty-seven thousand, nine hundred eighty-seven".