86980634 has 8 divisors (see below), whose sum is σ = 140507220. Its totient is φ = 40144896.

The previous prime is 86980631. The next prime is 86980643. The reversal of 86980634 is 43608968.

It can be written as a sum of positive squares in 2 ways, for example, as 77352025 + 9628609 = 8795^2 + 3103^2 .

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

It is not an unprimeable number, because it can be changed into a prime (86980631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1672679 + ... + 1672730.

Almost surely, 2^86980634 is an apocalyptic number.

86980634 is a deficient number, since it is larger than the sum of its proper divisors (53526586).

86980634 is a wasteful number, since it uses less digits than its factorization.

86980634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345424.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 86980634 is about 9326.3408687438. The cubic root of 86980634 is about 443.0718816957.

The spelling of 86980634 in words is "eighty-six million, nine hundred eighty thousand, six hundred thirty-four".