85605532530 has 64 divisors (see below), whose sum is σ = 237128594688. Its totient is φ = 19373241600.

The previous prime is 85605532513. The next prime is 85605532543. The reversal of 85605532530 is 3523550658.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1996837 + ... + 2039256.

It is an arithmetic number, because the mean of its divisors is an integer number (3705134292).

Almost surely, 2^85605532530 is an apocalyptic number.

85605532530 is an abundant number, since it is smaller than the sum of its proper divisors (151523062158).

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

85605532530 is a wasteful number, since it uses less digits than its factorization.

85605532530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036211.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 85605532530 in words is "eighty-five billion, six hundred five million, five hundred thirty-two thousand, five hundred thirty".