87432834 has 32 divisors (see below), whose sum is σ = 181264896. Its totient is φ = 28085760.

The previous prime is 87432833. The next prime is 87432841. The reversal of 87432834 is 43823478.

It is a super-2 number, since 2×87432834² = 15289000922543112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87432792 and 87432801.

It is not an unprimeable number, because it can be changed into a prime (87432833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50674 + ... + 52370.

It is an arithmetic number, because the mean of its divisors is an integer number (5664528).

Almost surely, 2^87432834 is an apocalyptic number.

87432834 is an abundant number, since it is smaller than the sum of its proper divisors (93832062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87432834 is a wasteful number, since it uses less digits than its factorization.

87432834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010.

The product of its digits is 129024, while the sum is 39.

The square root of 87432834 is about 9350.5526039908. The cubic root of 87432834 is about 443.8383775836.

The spelling of 87432834 in words is "eighty-seven million, four hundred thirty-two thousand, eight hundred thirty-four".