86377843 has 2 divisors, whose sum is σ = 86377844. Its totient is φ = 86377842.

The previous prime is 86377831. The next prime is 86377853. The reversal of 86377843 is 34877368.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86377843 is a prime.

It is a super-2 number, since 2×86377843² = 14922263522665298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86377793 and 86377802.

It is not a weakly prime, because it can be changed into another prime (86377853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43188921 + 43188922.

It is an arithmetic number, because the mean of its divisors is an integer number (43188922).

Almost surely, 2^86377843 is an apocalyptic number.

86377843 is a deficient number, since it is larger than the sum of its proper divisors (1).

86377843 is an equidigital number, since it uses as much as digits as its factorization.

86377843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 46.

The square root of 86377843 is about 9293.9680976427. The cubic root of 86377843 is about 442.0459862884.

The spelling of 86377843 in words is "eighty-six million, three hundred seventy-seven thousand, eight hundred forty-three".