87251835 has 16 divisors (see below), whose sum is σ = 152294400. Its totient is φ = 42303840.

The previous prime is 87251789. The next prime is 87251851. The reversal of 87251835 is 53815278.

It is not a de Polignac number, because 87251835 - 2⁹ = 87251323 is a prime.

It is a super-2 number, since 2×87251835² = 15225765421734450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87251793 and 87251802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264235 + ... + 264564.

It is an arithmetic number, because the mean of its divisors is an integer number (9518400).

Almost surely, 2^87251835 is an apocalyptic number.

87251835 is a deficient number, since it is larger than the sum of its proper divisors (65042565).

87251835 is a wasteful number, since it uses less digits than its factorization.

87251835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528818.

The product of its digits is 67200, while the sum is 39.

The square root of 87251835 is about 9340.8690709163. The cubic root of 87251835 is about 443.5318954635.

The spelling of 87251835 in words is "eighty-seven million, two hundred fifty-one thousand, eight hundred thirty-five".