85458625187 has 16 divisors (see below), whose sum is σ = 94482726912. Its totient is φ = 76802155680.

The previous prime is 85458625181. The next prime is 85458625207. The reversal of 85458625187 is 78152685458.

It is a cyclic number.

It is not a de Polignac number, because 85458625187 - 2³⁶ = 16739148451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85458625181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249443 + ... + 482844.

It is an arithmetic number, because the mean of its divisors is an integer number (5905170432).

Almost surely, 2^85458625187 is an apocalyptic number.

85458625187 is a deficient number, since it is larger than the sum of its proper divisors (9024101725).

85458625187 is a wasteful number, since it uses less digits than its factorization.

85458625187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732538.

The product of its digits is 21504000, while the sum is 59.

The spelling of 85458625187 in words is "eighty-five billion, four hundred fifty-eight million, six hundred twenty-five thousand, one hundred eighty-seven".