82477663 has 4 divisors (see below), whose sum is σ = 83607568. Its totient is φ = 81347760.

The previous prime is 82477657. The next prime is 82477667. The reversal of 82477663 is 36677428.

It is a happy number.

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 82477663 - 2⁵ = 82477631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82477667) 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, 564843 + ... + 564988.

It is an arithmetic number, because the mean of its divisors is an integer number (20901892).

Almost surely, 2^82477663 is an apocalyptic number.

82477663 is a deficient number, since it is larger than the sum of its proper divisors (1129905).

82477663 is a wasteful number, since it uses less digits than its factorization.

82477663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129904.

The product of its digits is 338688, while the sum is 43.

The square root of 82477663 is about 9081.7213676703. The cubic root of 82477663 is about 435.2900923155.

It can be divided in two parts, 824 and 77663, that added together give a palindrome (78487).

The spelling of 82477663 in words is "eighty-two million, four hundred seventy-seven thousand, six hundred sixty-three".