85621635026 has 8 divisors (see below), whose sum is σ = 128434242684. Its totient is φ = 42810220800.

The previous prime is 85621635023. The next prime is 85621635031. The reversal of 85621635026 is 62053612658.

It can be written as a sum of positive squares in 2 ways, for example, as 85321825801 + 299809225 = 292099^2 + 17315^2 .

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

It is not an unprimeable number, because it can be changed into a prime (85621635023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89855 + ... + 423458.

Almost surely, 2^85621635026 is an apocalyptic number.

85621635026 is a deficient number, since it is larger than the sum of its proper divisors (42812607658).

85621635026 is a wasteful number, since it uses less digits than its factorization.

85621635026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596716.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 85621635026 in words is "eighty-five billion, six hundred twenty-one million, six hundred thirty-five thousand, twenty-six".