86776361 has 4 divisors (see below), whose sum is σ = 99172992. Its totient is φ = 74379732.

The previous prime is 86776357. The next prime is 86776369. The reversal of 86776361 is 16367768.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 86776361 - 2² = 86776357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86776369) 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, 6198305 + ... + 6198318.

It is an arithmetic number, because the mean of its divisors is an integer number (24793248).

Almost surely, 2^86776361 is an apocalyptic number.

It is an amenable number.

86776361 is a deficient number, since it is larger than the sum of its proper divisors (12396631).

86776361 is a wasteful number, since it uses less digits than its factorization.

86776361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12396630.

The product of its digits is 254016, while the sum is 44.

The square root of 86776361 is about 9315.3830302355. The cubic root of 86776361 is about 442.7247601088.

The spelling of 86776361 in words is "eighty-six million, seven hundred seventy-six thousand, three hundred sixty-one".