83012657 has 8 divisors (see below), whose sum is σ = 102169536. Its totient is φ = 65680272.

The previous prime is 83012641. The next prime is 83012689. The reversal of 83012657 is 75621038.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83012657 - 2⁴ = 83012641 is a prime.

It is a super-2 number, since 2×83012657² = 13782202444399298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83012617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456023 + ... + 456204.

It is an arithmetic number, because the mean of its divisors is an integer number (12771192).

Almost surely, 2^83012657 is an apocalyptic number.

It is an amenable number.

83012657 is a deficient number, since it is larger than the sum of its proper divisors (19156879).

83012657 is a wasteful number, since it uses less digits than its factorization.

83012657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912247.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 83012657 is about 9111.1281957834. The cubic root of 83012657 is about 436.2292390018.

The spelling of 83012657 in words is "eighty-three million, twelve thousand, six hundred fifty-seven".