83415215843 has 2 divisors, whose sum is σ = 83415215844. Its totient is φ = 83415215842.

The previous prime is 83415215813. The next prime is 83415215867. The reversal of 83415215843 is 34851251438.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83415215843 - 2¹⁶ = 83415150307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83415215794 and 83415215803.

It is not a weakly prime, because it can be changed into another prime (83415215813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41707607921 + 41707607922.

It is an arithmetic number, because the mean of its divisors is an integer number (41707607922).

Almost surely, 2^83415215843 is an apocalyptic number.

83415215843 is a deficient number, since it is larger than the sum of its proper divisors (1).

83415215843 is an equidigital number, since it uses as much as digits as its factorization.

83415215843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 460800, while the sum is 44.

The spelling of 83415215843 in words is "eighty-three billion, four hundred fifteen million, two hundred fifteen thousand, eight hundred forty-three".