82402861786 has 16 divisors (see below), whose sum is σ = 141307942464. Its totient is φ = 35304038784.

The previous prime is 82402861733. The next prime is 82402861817. The reversal of 82402861786 is 68716820428.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911415 + ... + 997738.

It is an arithmetic number, because the mean of its divisors is an integer number (8831746404).

Almost surely, 2^82402861786 is an apocalyptic number.

82402861786 is a deficient number, since it is larger than the sum of its proper divisors (58905080678).

82402861786 is a wasteful number, since it uses less digits than its factorization.

82402861786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912245.

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 82402861786 in words is "eighty-two billion, four hundred two million, eight hundred sixty-one thousand, seven hundred eighty-six".