83486958787 has 2 divisors, whose sum is σ = 83486958788. Its totient is φ = 83486958786.

The previous prime is 83486958773. The next prime is 83486958829. The reversal of 83486958787 is 78785968438.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83486958787 - 2¹¹ = 83486956739 is a prime.

It is a super-2 number, since 2×83486958787² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83486958187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41743479393 + 41743479394.

It is an arithmetic number, because the mean of its divisors is an integer number (41743479394).

Almost surely, 2^83486958787 is an apocalyptic number.

83486958787 is a deficient number, since it is larger than the sum of its proper divisors (1).

83486958787 is an equidigital number, since it uses as much as digits as its factorization.

83486958787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 650280960, while the sum is 73.

The spelling of 83486958787 in words is "eighty-three billion, four hundred eighty-six million, nine hundred fifty-eight thousand, seven hundred eighty-seven".