85777830499 has 8 divisors (see below), whose sum is σ = 86467184640. Its totient is φ = 85090979400.

The previous prime is 85777830449. The next prime is 85777830547. The reversal of 85777830499 is 99403877758.

It is a happy number.

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 85777830499 - 2¹³ = 85777822307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85777830419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556917 + ... + 694054.

It is an arithmetic number, because the mean of its divisors is an integer number (10808398080).

Almost surely, 2^85777830499 is an apocalyptic number.

85777830499 is a deficient number, since it is larger than the sum of its proper divisors (689354141).

85777830499 is a wasteful number, since it uses less digits than its factorization.

85777830499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251521.

The product of its (nonzero) digits is 106686720, while the sum is 67.

The spelling of 85777830499 in words is "eighty-five billion, seven hundred seventy-seven million, eight hundred thirty thousand, four hundred ninety-nine".