85392777347 has 8 divisors (see below), whose sum is σ = 87482052672. Its totient is φ = 83303812800.

The previous prime is 85392777317. The next prime is 85392777377. The reversal of 85392777347 is 74377729358.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85392777317) and next prime (85392777377).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85392777347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85392777347.

It is not an unprimeable number, because it can be changed into a prime (85392777307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537398 + ... + 677924.

It is an arithmetic number, because the mean of its divisors is an integer number (10935256584).

Almost surely, 2^85392777347 is an apocalyptic number.

85392777347 is a deficient number, since it is larger than the sum of its proper divisors (2089275325).

85392777347 is a wasteful number, since it uses less digits than its factorization.

85392777347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155389.

The product of its digits is 62233920, while the sum is 62.

The spelling of 85392777347 in words is "eighty-five billion, three hundred ninety-two million, seven hundred seventy-seven thousand, three hundred forty-seven".