82997403 has 4 divisors (see below), whose sum is σ = 110663208. Its totient is φ = 55331600.

The previous prime is 82997381. The next prime is 82997413. The reversal of 82997403 is 30479928.

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 82997403 - 2⁸ = 82997147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82997413) 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, 13832898 + ... + 13832903.

It is an arithmetic number, because the mean of its divisors is an integer number (27665802).

Almost surely, 2^82997403 is an apocalyptic number.

82997403 is a deficient number, since it is larger than the sum of its proper divisors (27665805).

82997403 is a wasteful number, since it uses less digits than its factorization.

82997403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27665804.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 82997403 is about 9110.2910491378. The cubic root of 82997403 is about 436.2025175810.

The spelling of 82997403 in words is "eighty-two million, nine hundred ninety-seven thousand, four hundred three".