85988534 has 8 divisors (see below), whose sum is σ = 129030408. Its totient is φ = 42978400.

The previous prime is 85988527. The next prime is 85988543. The reversal of 85988534 is 43588958.

85988534 = 4635² + 4636² + ... + 4638².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734 + ... + 13134.

It is an arithmetic number, because the mean of its divisors is an integer number (16128801).

Almost surely, 2^85988534 is an apocalyptic number.

85988534 is a deficient number, since it is larger than the sum of its proper divisors (43041874).

85988534 is a wasteful number, since it uses less digits than its factorization.

85988534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15870.

The product of its digits is 1382400, while the sum is 50.

The square root of 85988534 is about 9273.0002695999. Note that the first 3 decimals coincide. The cubic root of 85988534 is about 441.3808787131.

The spelling of 85988534 in words is "eighty-five million, nine hundred eighty-eight thousand, five hundred thirty-four".