82921853534 has 16 divisors (see below), whose sum is σ = 134173591440. Its totient is φ = 38207937600.

The previous prime is 82921853533. The next prime is 82921853537. The reversal of 82921853534 is 43535812928.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82921853533) 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, 2637704 + ... + 2668955.

It is an arithmetic number, because the mean of its divisors is an integer number (8385849465).

Almost surely, 2^82921853534 is an apocalyptic number.

82921853534 is a deficient number, since it is larger than the sum of its proper divisors (51251737906).

82921853534 is a wasteful number, since it uses less digits than its factorization.

82921853534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5307275.

The product of its digits is 2073600, while the sum is 50.

The spelling of 82921853534 in words is "eighty-two billion, nine hundred twenty-one million, eight hundred fifty-three thousand, five hundred thirty-four".