83406718 has 4 divisors (see below), whose sum is σ = 125110080. Its totient is φ = 41703358.

The previous prime is 83406649. The next prime is 83406727. The reversal of 83406718 is 81760438.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20851678 + ... + 20851681.

It is an arithmetic number, because the mean of its divisors is an integer number (31277520).

Almost surely, 2^83406718 is an apocalyptic number.

83406718 is a deficient number, since it is larger than the sum of its proper divisors (41703362).

83406718 is a wasteful number, since it uses less digits than its factorization.

83406718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41703361.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 83406718 is about 9132.7278509764. The cubic root of 83406718 is about 436.9184095730.

The spelling of 83406718 in words is "eighty-three million, four hundred six thousand, seven hundred eighteen".