82406854655 has 4 divisors (see below), whose sum is σ = 98888225592. Its totient is φ = 65925483720.

The previous prime is 82406854643. The next prime is 82406854661. The reversal of 82406854655 is 55645860428.

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

It is not a de Polignac number, because 82406854655 - 2⁴ = 82406854639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82406854597 and 82406854606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8240685461 + ... + 8240685470.

It is an arithmetic number, because the mean of its divisors is an integer number (24722056398).

Almost surely, 2^82406854655 is an apocalyptic number.

82406854655 is a deficient number, since it is larger than the sum of its proper divisors (16481370937).

82406854655 is a wasteful number, since it uses less digits than its factorization.

82406854655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16481370936.

The product of its (nonzero) digits is 9216000, while the sum is 53.

The spelling of 82406854655 in words is "eighty-two billion, four hundred six million, eight hundred fifty-four thousand, six hundred fifty-five".