82270899 has 12 divisors (see below), whose sum is σ = 119262312. Its totient is φ = 54650400.

The previous prime is 82270897. The next prime is 82270901. The reversal of 82270899 is 99807228.

It is an interprime number because it is at equal distance from previous prime (82270897) and next prime (82270901).

It is not a de Polignac number, because 82270899 - 2¹ = 82270897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82270891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13737 + ... + 18794.

It is an arithmetic number, because the mean of its divisors is an integer number (9938526).

Almost surely, 2^82270899 is an apocalyptic number.

82270899 is a deficient number, since it is larger than the sum of its proper divisors (36991413).

82270899 is a wasteful number, since it uses less digits than its factorization.

82270899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32818 (or 32815 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 82270899 is about 9070.3306995941. The cubic root of 82270899 is about 434.9260437093.

The spelling of 82270899 in words is "eighty-two million, two hundred seventy thousand, eight hundred ninety-nine".