87402036 has 24 divisors (see below), whose sum is σ = 206983840. Its totient is φ = 28698912.

The previous prime is 87402023. The next prime is 87402053. The reversal of 87402036 is 63020478.

87402036 = T₂₀₈ + T₂₀₉ + ... + T₈₁₀.

It is a junction number, because it is equal to n+sod(n) for n = 87401994 and 87402012.

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, 53551 + ... + 55158.

Almost surely, 2^87402036 is an apocalyptic number.

It is an amenable number.

87402036 is an abundant number, since it is smaller than the sum of its proper divisors (119581804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87402036 is a wasteful number, since it uses less digits than its factorization.

87402036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108783 (or 108781 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 87402036 is about 9348.9056044010. The cubic root of 87402036 is about 443.7862578057.

The spelling of 87402036 in words is "eighty-seven million, four hundred two thousand, thirty-six".