82946455 has 4 divisors (see below), whose sum is σ = 99535752. Its totient is φ = 66357160.

The previous prime is 82946453. The next prime is 82946471. The reversal of 82946455 is 55464928.

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

It is not a de Polignac number, because 82946455 - 2¹ = 82946453 is a prime.

It is a super-2 number, since 2×82946455² = 13760228794134050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82946453) 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, 8294641 + ... + 8294650.

It is an arithmetic number, because the mean of its divisors is an integer number (24883938).

Almost surely, 2^82946455 is an apocalyptic number.

82946455 is a deficient number, since it is larger than the sum of its proper divisors (16589297).

82946455 is a wasteful number, since it uses less digits than its factorization.

82946455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16589296.

The product of its digits is 345600, while the sum is 43.

The square root of 82946455 is about 9107.4944413928. The cubic root of 82946455 is about 436.1132449293.

The spelling of 82946455 in words is "eighty-two million, nine hundred forty-six thousand, four hundred fifty-five".