385678777 has 8 divisors (see below), whose sum is σ = 442884960. Its totient is φ = 332163360.

The previous prime is 385678763. The next prime is 385678793. The reversal of 385678777 is 777876583.

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 385678777 - 2²³ = 377290169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385673777) 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, 922468 + ... + 922885.

It is an arithmetic number, because the mean of its divisors is an integer number (55360620).

Almost surely, 2^385678777 is an apocalyptic number.

It is an amenable number.

385678777 is a deficient number, since it is larger than the sum of its proper divisors (57206183).

385678777 is a wasteful number, since it uses less digits than its factorization.

385678777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845383.

The product of its digits is 13829760, while the sum is 58.

The square root of 385678777 is about 19638.7060928158. The cubic root of 385678777 is about 727.9059126736.

The spelling of 385678777 in words is "three hundred eighty-five million, six hundred seventy-eight thousand, seven hundred seventy-seven".