83487257799 has 16 divisors (see below), whose sum is σ = 121868181504. Its totient is φ = 50418267200.

The previous prime is 83487257767. The next prime is 83487257921. The reversal of 83487257799 is 99775278438.

It is a cyclic number.

It is not a de Polignac number, because 83487257799 - 2⁵ = 83487257767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83487257729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4492359 + ... + 4510904.

It is an arithmetic number, because the mean of its divisors is an integer number (7616761344).

Almost surely, 2^83487257799 is an apocalyptic number.

83487257799 is a deficient number, since it is larger than the sum of its proper divisors (38380923705).

83487257799 is a wasteful number, since it uses less digits than its factorization.

83487257799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9003558.

The product of its digits is 213373440, while the sum is 69.

The spelling of 83487257799 in words is "eighty-three billion, four hundred eighty-seven million, two hundred fifty-seven thousand, seven hundred ninety-nine".