786606345477 has 16 divisors (see below), whose sum is σ = 1166135004160. Its totient is φ = 524047708800.

The previous prime is 786606345443. The next prime is 786606345491. The reversal of 786606345477 is 774543606687.

786606345477 is a `hidden beast` number, since 7 + 8 + 6 + 60 + 63 + 45 + 477 = 666.

It is not a de Polignac number, because 786606345477 - 2¹⁹ = 786605821189 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 (786606345407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9862924 + ... + 9942357.

It is an arithmetic number, because the mean of its divisors is an integer number (72883437760).

Almost surely, 2^786606345477 is an apocalyptic number.

It is an amenable number.

786606345477 is a deficient number, since it is larger than the sum of its proper divisors (379528658683).

786606345477 is a wasteful number, since it uses less digits than its factorization.

786606345477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19806761 (or 19806755 counting only the distinct ones).

The product of its (nonzero) digits is 142248960, while the sum is 63.

The spelling of 786606345477 in words is "seven hundred eighty-six billion, six hundred six million, three hundred forty-five thousand, four hundred seventy-seven".