86861840145434 has 8 divisors (see below), whose sum is σ = 130293701300928. Its totient is φ = 43430606378460.

The previous prime is 86861840145403. The next prime is 86861840145461. The reversal of 86861840145434 is 43454104816868.

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

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, 156500852 + ... + 157054895.

It is an arithmetic number, because the mean of its divisors is an integer number (16286712662616).

Almost surely, 2^{86861840145434} is an apocalyptic number.

86861840145434 is a deficient number, since it is larger than the sum of its proper divisors (43431861155494).

86861840145434 is a wasteful number, since it uses less digits than its factorization.

86861840145434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313694260.

The product of its (nonzero) digits is 70778880, while the sum is 62.

The spelling of 86861840145434 in words is "eighty-six trillion, eight hundred sixty-one billion, eight hundred forty million, one hundred forty-five thousand, four hundred thirty-four".