77860852068190 has 8 divisors (see below), whose sum is σ = 140149533722760. Its totient is φ = 31144340827272.

The previous prime is 77860852068161. The next prime is 77860852068191. The reversal of 77860852068190 is 9186025806877.

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

It is a super-2 number, since 2×77860852068190² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77860852068191) 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, 3893042603400 + ... + 3893042603419.

It is an arithmetic number, because the mean of its divisors is an integer number (17518691715345).

Almost surely, 2^{77860852068190} is an apocalyptic number.

77860852068190 is a deficient number, since it is larger than the sum of its proper divisors (62288681654570).

77860852068190 is a wasteful number, since it uses less digits than its factorization.

77860852068190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7786085206826.

The product of its (nonzero) digits is 81285120, while the sum is 67.

The spelling of 77860852068190 in words is "seventy-seven trillion, eight hundred sixty billion, eight hundred fifty-two million, sixty-eight thousand, one hundred ninety".