83903457 has 24 divisors (see below), whose sum is σ = 126309568. Its totient is φ = 49468320.

The previous prime is 83903447. The next prime is 83903459. The reversal of 83903457 is 75430938.

It is not a de Polignac number, because 83903457 - 2¹⁴ = 83887073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83903459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10308 + ... + 16554.

Almost surely, 2^83903457 is an apocalyptic number.

It is an amenable number.

83903457 is a deficient number, since it is larger than the sum of its proper divisors (42406111).

83903457 is a wasteful number, since it uses less digits than its factorization.

83903457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6309 (or 6298 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 83903457 is about 9159.8830232705. The cubic root of 83903457 is about 437.7840671626.

The spelling of 83903457 in words is "eighty-three million, nine hundred three thousand, four hundred fifty-seven".