86377799 has 4 divisors (see below), whose sum is σ = 91458864. Its totient is φ = 81296736.

The previous prime is 86377787. The next prime is 86377801. The reversal of 86377799 is 99777368.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86377799 is a prime.

It is a super-2 number, since 2×86377799² = 14922248320168802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86377199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2540507 + ... + 2540540.

It is an arithmetic number, because the mean of its divisors is an integer number (22864716).

Almost surely, 2^86377799 is an apocalyptic number.

86377799 is a deficient number, since it is larger than the sum of its proper divisors (5081065).

86377799 is a wasteful number, since it uses less digits than its factorization.

86377799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081064.

The product of its digits is 4000752, while the sum is 56.

The square root of 86377799 is about 9293.9657305157. The cubic root of 86377799 is about 442.0459112305.

The spelling of 86377799 in words is "eighty-six million, three hundred seventy-seven thousand, seven hundred ninety-nine".