85438562552 has 32 divisors (see below), whose sum is σ = 183092913120. Its totient is φ = 36614471040.

The previous prime is 85438562533. The next prime is 85438562567. The reversal of 85438562552 is 25526583458.

It is a junction number, because it is equal to n+sod(n) for n = 85438562494 and 85438562503.

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, 1384418 + ... + 1444814.

It is an arithmetic number, because the mean of its divisors is an integer number (5721653535).

Almost surely, 2^85438562552 is an apocalyptic number.

It is an amenable number.

85438562552 is an abundant number, since it is smaller than the sum of its proper divisors (97654350568).

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

85438562552 is a wasteful number, since it uses less digits than its factorization.

85438562552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85671 (or 85667 counting only the distinct ones).

The product of its digits is 11520000, while the sum is 53.

The spelling of 85438562552 in words is "eighty-five billion, four hundred thirty-eight million, five hundred sixty-two thousand, five hundred fifty-two".