82997555854 has 8 divisors (see below), whose sum is σ = 124528129128. Its totient is φ = 41488179480.

The previous prime is 82997555843. The next prime is 82997555857. The reversal of 82997555854 is 45855579928.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 82997555854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82997555857) 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, 5289432 + ... + 5305099.

It is an arithmetic number, because the mean of its divisors is an integer number (15566016141).

Almost surely, 2^82997555854 is an apocalyptic number.

82997555854 is a deficient number, since it is larger than the sum of its proper divisors (41530573274).

82997555854 is a wasteful number, since it uses less digits than its factorization.

82997555854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10598450.

The product of its digits is 181440000, while the sum is 67.

The spelling of 82997555854 in words is "eighty-two billion, nine hundred ninety-seven million, five hundred fifty-five thousand, eight hundred fifty-four".