87534428 has 24 divisors (see below), whose sum is σ = 164625552. Its totient is φ = 40575744.

The previous prime is 87534397. The next prime is 87534431. The reversal of 87534428 is 82443578.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5051 + ... + 14162.

It is an arithmetic number, because the mean of its divisors is an integer number (6859398).

Almost surely, 2^87534428 is an apocalyptic number.

It is an amenable number.

87534428 is a deficient number, since it is larger than the sum of its proper divisors (77091124).

87534428 is a wasteful number, since it uses less digits than its factorization.

87534428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19301 (or 19299 counting only the distinct ones).

The product of its digits is 215040, while the sum is 41.

The square root of 87534428 is about 9355.9835399599. The cubic root of 87534428 is about 444.0102194439.

The spelling of 87534428 in words is "eighty-seven million, five hundred thirty-four thousand, four hundred twenty-eight".