82446864428 has 12 divisors (see below), whose sum is σ = 146020350840. Its totient is φ = 40726764192.

The previous prime is 82446864427. The next prime is 82446864439.

82446864428 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (82446864427) 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, 124166633 + ... + 124167296.

It is an arithmetic number, because the mean of its divisors is an integer number (12168362570).

Almost surely, 2^82446864428 is an apocalyptic number.

It is an amenable number.

82446864428 is a deficient number, since it is larger than the sum of its proper divisors (63573486412).

82446864428 is a wasteful number, since it uses less digits than its factorization.

82446864428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248334016 (or 248334014 counting only the distinct ones).

The product of its digits is 18874368, while the sum is 56.

The spelling of 82446864428 in words is "eighty-two billion, four hundred forty-six million, eight hundred sixty-four thousand, four hundred twenty-eight".