87970835 has 8 divisors (see below), whose sum is σ = 111774816. Its totient is φ = 66236800.

The previous prime is 87970747. The next prime is 87970847. The reversal of 87970835 is 53807978.

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

It is a de Polignac number, because none of the positive numbers 2^k-87970835 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87970835.

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, 517391 + ... + 517560.

It is an arithmetic number, because the mean of its divisors is an integer number (13971852).

Almost surely, 2^87970835 is an apocalyptic number.

87970835 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

87970835 is a deficient number, since it is larger than the sum of its proper divisors (23803981).

87970835 is a wasteful number, since it uses less digits than its factorization.

87970835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034973.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 87970835 is about 9379.2768911041. The cubic root of 87970835 is about 444.7468745182.

The spelling of 87970835 in words is "eighty-seven million, nine hundred seventy thousand, eight hundred thirty-five".