196846578677 has 8 divisors (see below), whose sum is σ = 234748715136. Its totient is φ = 161389741392.

The previous prime is 196846578647. The next prime is 196846578697. The reversal of 196846578677 is 776875648691.

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

It is a cyclic number.

It is not a de Polignac number, because 196846578677 - 2¹² = 196846574581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196846578647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611324618 + ... + 611324939.

It is an arithmetic number, because the mean of its divisors is an integer number (29343589392).

Almost surely, 2^196846578677 is an apocalyptic number.

It is an amenable number.

196846578677 is a deficient number, since it is larger than the sum of its proper divisors (37902136459).

196846578677 is a wasteful number, since it uses less digits than its factorization.

196846578677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222649587.

The product of its digits is 853493760, while the sum is 74.

The spelling of 196846578677 in words is "one hundred ninety-six billion, eight hundred forty-six million, five hundred seventy-eight thousand, six hundred seventy-seven".