85437704587 has 8 divisors (see below), whose sum is σ = 87752450000. Its totient is φ = 83123254944.

The previous prime is 85437704579. The next prime is 85437704591. The reversal of 85437704587 is 78540773458.

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

It is a cyclic number.

It is not a de Polignac number, because 85437704587 - 2³ = 85437704579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85435704587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591664 + ... + 721762.

It is an arithmetic number, because the mean of its divisors is an integer number (10969056250).

Almost surely, 2^85437704587 is an apocalyptic number.

85437704587 is a deficient number, since it is larger than the sum of its proper divisors (2314745413).

85437704587 is a wasteful number, since it uses less digits than its factorization.

85437704587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147885.

The product of its (nonzero) digits is 26342400, while the sum is 58.

The spelling of 85437704587 in words is "eighty-five billion, four hundred thirty-seven million, seven hundred four thousand, five hundred eighty-seven".