97673287 has 4 divisors (see below), whose sum is σ = 98442496. Its totient is φ = 96904080.

The previous prime is 97673267. The next prime is 97673291. The reversal of 97673287 is 78237679.

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 97673287 - 2⁷ = 97673159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97673287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97673267) 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, 384414 + ... + 384667.

It is an arithmetic number, because the mean of its divisors is an integer number (24610624).

Almost surely, 2^97673287 is an apocalyptic number.

97673287 is a deficient number, since it is larger than the sum of its proper divisors (769209).

97673287 is a wasteful number, since it uses less digits than its factorization.

97673287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769208.

The product of its digits is 889056, while the sum is 49.

The square root of 97673287 is about 9882.9796620250. The cubic root of 97673287 is about 460.5307154399.

The spelling of 97673287 in words is "ninety-seven million, six hundred seventy-three thousand, two hundred eighty-seven".