85388158071 has 24 divisors (see below), whose sum is σ = 128046056320. Its totient is φ = 56863347192.

The previous prime is 85388158069. The next prime is 85388158111. The reversal of 85388158071 is 17085188358.

85388158071 is a `hidden beast` number, since 8 + 53 + 8 + 8 + 1 + 580 + 7 + 1 = 666.

It is not a de Polignac number, because 85388158071 - 2¹ = 85388158069 is a prime.

It is a super-2 number, since 2×85388158071² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85388157999 and 85388158017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85388158021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32136 + ... + 414498.

Almost surely, 2^85388158071 is an apocalyptic number.

85388158071 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

85388158071 is a deficient number, since it is larger than the sum of its proper divisors (42657898249).

85388158071 is an equidigital number, since it uses as much as digits as its factorization.

85388158071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383297 (or 383285 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 54.

The spelling of 85388158071 in words is "eighty-five billion, three hundred eighty-eight million, one hundred fifty-eight thousand, seventy-one".