86690761 has 8 divisors (see below), whose sum is σ = 88329024. Its totient is φ = 85066800.

The previous prime is 86690719. The next prime is 86690767. The reversal of 86690761 is 16709668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86690761 - 2⁹ = 86690249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86690767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9075 + ... + 15991.

It is an arithmetic number, because the mean of its divisors is an integer number (11041128).

Almost surely, 2^86690761 is an apocalyptic number.

It is an amenable number.

86690761 is a deficient number, since it is larger than the sum of its proper divisors (1638263).

86690761 is a wasteful number, since it uses less digits than its factorization.

86690761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7151.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 86690761 is about 9310.7873458693. The cubic root of 86690761 is about 442.5791378563.

The spelling of 86690761 in words is "eighty-six million, six hundred ninety thousand, seven hundred sixty-one".