83486555131 has 4 divisors (see below), whose sum is σ = 95413205872. Its totient is φ = 71559904392.

The previous prime is 83486555077. The next prime is 83486555143. The reversal of 83486555131 is 13155568438.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83486555131 - 2¹⁷ = 83486424059 is a prime.

It is a super-2 number, since 2×83486555131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83486505131) 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, 5963325360 + ... + 5963325373.

It is an arithmetic number, because the mean of its divisors is an integer number (23853301468).

Almost surely, 2^83486555131 is an apocalyptic number.

83486555131 is a deficient number, since it is larger than the sum of its proper divisors (11926650741).

83486555131 is a wasteful number, since it uses less digits than its factorization.

83486555131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11926650740.

The product of its digits is 1728000, while the sum is 49.

The spelling of 83486555131 in words is "eighty-three billion, four hundred eighty-six million, five hundred fifty-five thousand, one hundred thirty-one".