85167760851 has 32 divisors (see below), whose sum is σ = 133198252800. Its totient is φ = 53635037760.

The previous prime is 85167760807. The next prime is 85167760871. The reversal of 85167760851 is 15806776158.

85167760851 is a `hidden beast` number, since 8 + 516 + 7 + 76 + 0 + 8 + 51 = 666.

It is not a de Polignac number, because 85167760851 - 2⁶ = 85167760787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85167760871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61210 + ... + 417231.

It is an arithmetic number, because the mean of its divisors is an integer number (4162445400).

Almost surely, 2^85167760851 is an apocalyptic number.

85167760851 is a deficient number, since it is larger than the sum of its proper divisors (48030491949).

85167760851 is a wasteful number, since it uses less digits than its factorization.

85167760851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478816 (or 478810 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 54.

The spelling of 85167760851 in words is "eighty-five billion, one hundred sixty-seven million, seven hundred sixty thousand, eight hundred fifty-one".