86391490151 has 4 divisors (see below), whose sum is σ = 86830025832. Its totient is φ = 85952954472.

The previous prime is 86391490147. The next prime is 86391490219. The reversal of 86391490151 is 15109419368.

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

It is a cyclic number.

It is not a de Polignac number, because 86391490151 - 2² = 86391490147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86391490096 and 86391490105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86391493151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219267545 + ... + 219267938.

It is an arithmetic number, because the mean of its divisors is an integer number (21707506458).

Almost surely, 2^86391490151 is an apocalyptic number.

86391490151 is a deficient number, since it is larger than the sum of its proper divisors (438535681).

86391490151 is a wasteful number, since it uses less digits than its factorization.

86391490151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438535680.

The product of its (nonzero) digits is 233280, while the sum is 47.

The spelling of 86391490151 in words is "eighty-six billion, three hundred ninety-one million, four hundred ninety thousand, one hundred fifty-one".