78506860188033 has 12 divisors (see below), whose sum is σ = 116463630429588. Its totient is φ = 50923368770400.

The previous prime is 78506860188019. The next prime is 78506860188067. The reversal of 78506860188033 is 33088106860587.

78506860188033 is a `hidden beast` number, since 7 + 8 + 506 + 8 + 6 + 0 + 18 + 80 + 33 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49733849241729 + 28773010946304 = 7052223^2 + 5364048^2 .

It is not a de Polignac number, because 78506860188033 - 2⁴ = 78506860188017 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (78506860148033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117878168118 + ... + 117878168783.

It is an arithmetic number, because the mean of its divisors is an integer number (9705302535799).

Almost surely, 2^{78506860188033} is an apocalyptic number.

It is an amenable number.

78506860188033 is a deficient number, since it is larger than the sum of its proper divisors (37956770241555).

78506860188033 is a wasteful number, since it uses less digits than its factorization.

78506860188033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235756336944 (or 235756336941 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 63.

The spelling of 78506860188033 in words is "seventy-eight trillion, five hundred six billion, eight hundred sixty million, one hundred eighty-eight thousand, thirty-three".