83457308 has 24 divisors (see below), whose sum is σ = 159559680. Its totient is φ = 37879920.

The previous prime is 83457307. The next prime is 83457313. The reversal of 83457308 is 80375438.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83457307) 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, 55535 + ... + 57017.

It is an arithmetic number, because the mean of its divisors is an integer number (6648320).

Almost surely, 2^83457308 is an apocalyptic number.

It is an amenable number.

83457308 is a deficient number, since it is larger than the sum of its proper divisors (76102372).

83457308 is a wasteful number, since it uses less digits than its factorization.

83457308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777 (or 2775 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 83457308 is about 9135.4971402765. The cubic root of 83457308 is about 437.0067287372.

The spelling of 83457308 in words is "eighty-three million, four hundred fifty-seven thousand, three hundred eight".