86987620154 has 8 divisors (see below), whose sum is σ = 130499677920. Its totient is φ = 43487727516.

The previous prime is 86987620147. The next prime is 86987620169. The reversal of 86987620154 is 45102678968.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 86987620154.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3023384 + ... + 3052019.

It is an arithmetic number, because the mean of its divisors is an integer number (16312459740).

Almost surely, 2^86987620154 is an apocalyptic number.

86987620154 is a deficient number, since it is larger than the sum of its proper divisors (43512057766).

86987620154 is a wasteful number, since it uses less digits than its factorization.

86987620154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6082564.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 86987620154 in words is "eighty-six billion, nine hundred eighty-seven million, six hundred twenty thousand, one hundred fifty-four".