83085430078057 has 4 divisors (see below), whose sum is σ = 90638650994256. Its totient is φ = 75532209161860.

The previous prime is 83085430078009. The next prime is 83085430078093. The reversal of 83085430078057 is 75087003458038.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 83085430078057 - 2²³ = 83085421689449 is a prime.

It is a super-2 number, since 2×83085430078057² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83085430077992 and 83085430078010.

It is not an unprimeable number, because it can be changed into a prime (83085430078457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3776610458083 + ... + 3776610458104.

It is an arithmetic number, because the mean of its divisors is an integer number (22659662748564).

Almost surely, 2^{83085430078057} is an apocalyptic number.

It is an amenable number.

83085430078057 is a deficient number, since it is larger than the sum of its proper divisors (7553220916199).

83085430078057 is a wasteful number, since it uses less digits than its factorization.

83085430078057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7553220916198.

The product of its (nonzero) digits is 22579200, while the sum is 58.

The spelling of 83085430078057 in words is "eighty-three trillion, eighty-five billion, four hundred thirty million, seventy-eight thousand, fifty-seven".