385197348287 has 4 divisors (see below), whose sum is σ = 386924690880. Its totient is φ = 383470005696.

The previous prime is 385197348271. The next prime is 385197348311. The reversal of 385197348287 is 782843791583.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 385197348287 - 2⁴ = 385197348271 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 (385197348257) 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, 863670962 + ... + 863671407.

It is an arithmetic number, because the mean of its divisors is an integer number (96731172720).

Almost surely, 2^385197348287 is an apocalyptic number.

385197348287 is a deficient number, since it is larger than the sum of its proper divisors (1727342593).

385197348287 is a wasteful number, since it uses less digits than its factorization.

385197348287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727342592.

The product of its digits is 81285120, while the sum is 65.

The spelling of 385197348287 in words is "three hundred eighty-five billion, one hundred ninety-seven million, three hundred forty-eight thousand, two hundred eighty-seven".