83149767867 has 18 divisors (see below), whose sum is σ = 111505981788. Its totient is φ = 55115196048.

The previous prime is 83149767847. The next prime is 83149767871. The reversal of 83149767867 is 76876794138.

It is not a de Polignac number, because 83149767867 - 2⁶ = 83149767803 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83149767798 and 83149767807.

It is not an unprimeable number, because it can be changed into a prime (83149767847) 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 17 ways as a sum of consecutive naturals, for example, 114373458 + ... + 114374184.

It is an arithmetic number, because the mean of its divisors is an integer number (6194776766).

Almost surely, 2^83149767867 is an apocalyptic number.

83149767867 is a deficient number, since it is larger than the sum of its proper divisors (28356213921).

83149767867 is an frugal number, since it uses more digits than its factorization.

83149767867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915 (or 959 counting only the distinct ones).

The product of its digits is 85349376, while the sum is 66.

The spelling of 83149767867 in words is "eighty-three billion, one hundred forty-nine million, seven hundred sixty-seven thousand, eight hundred sixty-seven".