78677464201 has 8 divisors (see below), whose sum is σ = 90266976000. Its totient is φ = 67175420928.

The previous prime is 78677464163. The next prime is 78677464207. The reversal of 78677464201 is 10246477687.

It is a happy number.

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

It is not a de Polignac number, because 78677464201 - 2²¹ = 78675367049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78677464207) 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, 21865201 + ... + 21868798.

It is an arithmetic number, because the mean of its divisors is an integer number (11283372000).

Almost surely, 2^78677464201 is an apocalyptic number.

It is an amenable number.

78677464201 is a deficient number, since it is larger than the sum of its proper divisors (11589511799).

78677464201 is a wasteful number, since it uses less digits than its factorization.

78677464201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43734263.

The product of its (nonzero) digits is 3161088, while the sum is 52.

The spelling of 78677464201 in words is "seventy-eight billion, six hundred seventy-seven million, four hundred sixty-four thousand, two hundred one".