87855033 has 16 divisors (see below), whose sum is σ = 134009856. Its totient is φ = 50152080.

The previous prime is 87855011. The next prime is 87855037. The reversal of 87855033 is 33055878.

It is not a de Polignac number, because 87855033 - 2⁶ = 87854969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87854982 and 87855000.

It is not an unprimeable number, because it can be changed into a prime (87855037) 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, 31660 + ... + 34322.

It is an arithmetic number, because the mean of its divisors is an integer number (8375616).

Almost surely, 2^87855033 is an apocalyptic number.

It is an amenable number.

87855033 is a deficient number, since it is larger than the sum of its proper divisors (46154823).

87855033 is a wasteful number, since it uses less digits than its factorization.

87855033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 87855033 is about 9373.1015677843. The cubic root of 87855033 is about 444.5516386279.

The spelling of 87855033 in words is "eighty-seven million, eight hundred fifty-five thousand, thirty-three".