82620654 has 16 divisors (see below), whose sum is σ = 165355392. Its totient is φ = 27521208.

The previous prime is 82620653. The next prime is 82620719. The reversal of 82620654 is 45602628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82620653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6837 + ... + 14559.

It is an arithmetic number, because the mean of its divisors is an integer number (10334712).

Almost surely, 2^82620654 is an apocalyptic number.

82620654 is an abundant number, since it is smaller than the sum of its proper divisors (82734738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82620654 is a wasteful number, since it uses less digits than its factorization.

82620654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9511.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 82620654 is about 9089.5904198154. The cubic root of 82620654 is about 435.5415003052.

The spelling of 82620654 in words is "eighty-two million, six hundred twenty thousand, six hundred fifty-four".