86019419251 has 8 divisors (see below), whose sum is σ = 86168099024. Its totient is φ = 85870787040.

The previous prime is 86019419249. The next prime is 86019419261. The reversal of 86019419251 is 15291491068.

It is a happy number.

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 86019419251 - 2¹ = 86019419249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86019419231) 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, 7270921 + ... + 7282741.

It is an arithmetic number, because the mean of its divisors is an integer number (10771012378).

Almost surely, 2^86019419251 is an apocalyptic number.

86019419251 is a deficient number, since it is larger than the sum of its proper divisors (148679773).

86019419251 is a wasteful number, since it uses less digits than its factorization.

86019419251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23781.

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 86019419251 in words is "eighty-six billion, nineteen million, four hundred nineteen thousand, two hundred fifty-one".