85283381551 has 16 divisors (see below), whose sum is σ = 97075100160. Its totient is φ = 74424216960.

The previous prime is 85283381501. The next prime is 85283381587. The reversal of 85283381551 is 15518338258.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 85283381551 - 2⁷ = 85283381423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85283381495 and 85283381504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85283381501) 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 15 ways as a sum of consecutive naturals, for example, 2793705 + ... + 2824066.

It is an arithmetic number, because the mean of its divisors is an integer number (6067193760).

Almost surely, 2^85283381551 is an apocalyptic number.

85283381551 is a deficient number, since it is larger than the sum of its proper divisors (11791718609).

85283381551 is a wasteful number, since it uses less digits than its factorization.

85283381551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617854.

The product of its digits is 1152000, while the sum is 49.

The spelling of 85283381551 in words is "eighty-five billion, two hundred eighty-three million, three hundred eighty-one thousand, five hundred fifty-one".