87146834 has 8 divisors (see below), whose sum is σ = 131398140. Its totient is φ = 43347456.

The previous prime is 87146831. The next prime is 87146861. The reversal of 87146834 is 43864178.

It can be written as a sum of positive squares in 2 ways, for example, as 82537225 + 4609609 = 9085^2 + 2147^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 87146791 and 87146800.

It is not an unprimeable number, because it can be changed into a prime (87146831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112499 + ... + 113270.

Almost surely, 2^87146834 is an apocalyptic number.

87146834 is a deficient number, since it is larger than the sum of its proper divisors (44251306).

87146834 is a wasteful number, since it uses less digits than its factorization.

87146834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225964.

The product of its digits is 129024, while the sum is 41.

The square root of 87146834 is about 9335.2468633668. The cubic root of 87146834 is about 443.3539049882.

The spelling of 87146834 in words is "eighty-seven million, one hundred forty-six thousand, eight hundred thirty-four".