83464393508 has 6 divisors (see below), whose sum is σ = 146062688646. Its totient is φ = 41732196752.

The previous prime is 83464393477. The next prime is 83464393511. The reversal of 83464393508 is 80539346438.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 45949352164 + 37515041344 = 214358^2 + 193688^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 83464393508.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10433049185 + ... + 10433049192.

It is an arithmetic number, because the mean of its divisors is an integer number (24343781441).

Almost surely, 2^83464393508 is an apocalyptic number.

It is an amenable number.

83464393508 is a deficient number, since it is larger than the sum of its proper divisors (62598295138).

83464393508 is a wasteful number, since it uses less digits than its factorization.

83464393508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20866098381 (or 20866098379 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 53.

The spelling of 83464393508 in words is "eighty-three billion, four hundred sixty-four million, three hundred ninety-three thousand, five hundred eight".