87919036 has 12 divisors (see below), whose sum is σ = 162908928. Its totient is φ = 41373632.

The previous prime is 87919009. The next prime is 87919037. The reversal of 87919036 is 63091978.

It is a junction number, because it is equal to n+sod(n) for n = 87918983 and 87919001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87919037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646396 + ... + 646531.

It is an arithmetic number, because the mean of its divisors is an integer number (13575744).

Almost surely, 2^87919036 is an apocalyptic number.

It is an amenable number.

87919036 is a deficient number, since it is larger than the sum of its proper divisors (74989892).

87919036 is a wasteful number, since it uses less digits than its factorization.

87919036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292948 (or 1292946 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 87919036 is about 9376.5151309002. The cubic root of 87919036 is about 444.6595654062.

The spelling of 87919036 in words is "eighty-seven million, nine hundred nineteen thousand, thirty-six".