83768246547157 has 4 divisors (see below), whose sum is σ = 83968170763680. Its totient is φ = 83568322330636.

The previous prime is 83768246547079. The next prime is 83768246547203. The reversal of 83768246547157 is 75174564286738.

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 a cyclic number.

It is not a de Polignac number, because 83768246547157 - 2³¹ = 83766099063509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83768246547157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83768246547857) 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, 99962107633 + ... + 99962108470.

It is an arithmetic number, because the mean of its divisors is an integer number (20992042690920).

Almost surely, 2^{83768246547157} is an apocalyptic number.

It is an amenable number.

83768246547157 is a deficient number, since it is larger than the sum of its proper divisors (199924216523).

83768246547157 is a wasteful number, since it uses less digits than its factorization.

83768246547157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199924216522.

The product of its digits is 1896652800, while the sum is 73.

The spelling of 83768246547157 in words is "eighty-three trillion, seven hundred sixty-eight billion, two hundred forty-six million, five hundred forty-seven thousand, one hundred fifty-seven".