87091430 has 16 divisors (see below), whose sum is σ = 156930480. Its totient is φ = 34799712.

The previous prime is 87091351. The next prime is 87091441. The reversal of 87091430 is 3419078.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6617 + ... + 14763.

It is an arithmetic number, because the mean of its divisors is an integer number (9808155).

Almost surely, 2^87091430 is an apocalyptic number.

87091430 is a deficient number, since it is larger than the sum of its proper divisors (69839050).

87091430 is a wasteful number, since it uses less digits than its factorization.

87091430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9223.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 87091430 is about 9332.2789285362. The cubic root of 87091430 is about 443.2599303100.

The spelling of 87091430 in words is "eighty-seven million, ninety-one thousand, four hundred thirty".