85761398387 has 8 divisors (see below), whose sum is σ = 98526185472. Its totient is φ = 73124901000.

The previous prime is 85761398383. The next prime is 85761398407. The reversal of 85761398387 is 78389316758.

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 85761398387 - 2² = 85761398383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85761398381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32070989 + ... + 32073662.

It is an arithmetic number, because the mean of its divisors is an integer number (12315773184).

Almost surely, 2^85761398387 is an apocalyptic number.

85761398387 is a deficient number, since it is larger than the sum of its proper divisors (12764787085).

85761398387 is a wasteful number, since it uses less digits than its factorization.

85761398387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64144849.

The product of its digits is 60963840, while the sum is 65.

The spelling of 85761398387 in words is "eighty-five billion, seven hundred sixty-one million, three hundred ninety-eight thousand, three hundred eighty-seven".