82901247 has 16 divisors (see below), whose sum is σ = 129859968. Its totient is φ = 46378080.

The previous prime is 82901239. The next prime is 82901249. The reversal of 82901247 is 74210928.

It is a happy number.

It is not a de Polignac number, because 82901247 - 2³ = 82901239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82901249) 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, 96193 + ... + 97050.

It is an arithmetic number, because the mean of its divisors is an integer number (8116248).

Almost surely, 2^82901247 is an apocalyptic number.

82901247 is a deficient number, since it is larger than the sum of its proper divisors (46958721).

82901247 is a wasteful number, since it uses less digits than its factorization.

82901247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193270.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 82901247 is about 9105.0121910956. The cubic root of 82901247 is about 436.0339994669.

The spelling of 82901247 in words is "eighty-two million, nine hundred one thousand, two hundred forty-seven".