83078640852737 has 2 divisors, whose sum is σ = 83078640852738. Its totient is φ = 83078640852736.

The previous prime is 83078640852677. The next prime is 83078640852749. The reversal of 83078640852737 is 73725804687038.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70234724539456 + 12843916313281 = 8380616^2 + 3583841^2 .

It is a cyclic number.

It is not a de Polignac number, because 83078640852737 - 2³² = 83074345885441 is a prime.

It is a super-2 number, since 2×83078640852737² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83078646852737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41539320426368 + 41539320426369.

It is an arithmetic number, because the mean of its divisors is an integer number (41539320426369).

Almost surely, 2^{83078640852737} is an apocalyptic number.

It is an amenable number.

83078640852737 is a deficient number, since it is larger than the sum of its proper divisors (1).

83078640852737 is an equidigital number, since it uses as much as digits as its factorization.

83078640852737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 379330560, while the sum is 68.

The spelling of 83078640852737 in words is "eighty-three trillion, seventy-eight billion, six hundred forty million, eight hundred fifty-two thousand, seven hundred thirty-seven".