83846274987 has 16 divisors (see below), whose sum is σ = 113224778240. Its totient is φ = 55182827232.

The previous prime is 83846274961. The next prime is 83846275013. The reversal of 83846274987 is 78947264838.

It is an interprime number because it is at equal distance from previous prime (83846274961) and next prime (83846275013).

It is not a de Polignac number, because 83846274987 - 2⁷ = 83846274859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83846274907) 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, 2324373 + ... + 2360169.

It is an arithmetic number, because the mean of its divisors is an integer number (7076548640).

Almost surely, 2^83846274987 is an apocalyptic number.

83846274987 is a deficient number, since it is larger than the sum of its proper divisors (29378503253).

83846274987 is a wasteful number, since it uses less digits than its factorization.

83846274987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45762.

The product of its digits is 130056192, while the sum is 66.

The spelling of 83846274987 in words is "eighty-three billion, eight hundred forty-six million, two hundred seventy-four thousand, nine hundred eighty-seven".