83015457 has 24 divisors (see below), whose sum is σ = 132247296. Its totient is φ = 46152288.

The previous prime is 83015423. The next prime is 83015459. The reversal of 83015457 is 75451038.

It is not a de Polignac number, because 83015457 - 2⁷ = 83015329 is a prime.

It is a super-2 number, since 2×83015457² = 13783132201837698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83015459) 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, 2193 + ... + 13070.

It is an arithmetic number, because the mean of its divisors is an integer number (5510304).

Almost surely, 2^83015457 is an apocalyptic number.

It is an amenable number.

83015457 is a deficient number, since it is larger than the sum of its proper divisors (49231839).

83015457 is a wasteful number, since it uses less digits than its factorization.

83015457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15317 (or 15310 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 83015457 is about 9111.2818527362. The cubic root of 83015457 is about 436.2341435878.

The spelling of 83015457 in words is "eighty-three million, fifteen thousand, four hundred fifty-seven".