85254240519 has 48 divisors (see below), whose sum is σ = 142191808512. Its totient is φ = 48213771264.

The previous prime is 85254240497. The next prime is 85254240523. The reversal of 85254240519 is 91504245258.

85254240519 is a `hidden beast` number, since 8 + 52 + 5 + 42 + 40 + 519 = 666.

It is not a de Polignac number, because 85254240519 - 2¹⁶ = 85254174983 is a prime.

It is a super-2 number, since 2×85254240519² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85254240569) 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 47 ways as a sum of consecutive naturals, for example, 14318247 + ... + 14324199.

It is an arithmetic number, because the mean of its divisors is an integer number (2962329344).

Almost surely, 2^85254240519 is an apocalyptic number.

85254240519 is a deficient number, since it is larger than the sum of its proper divisors (56937567993).

85254240519 is a wasteful number, since it uses less digits than its factorization.

85254240519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8276 (or 8273 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 85254240519 in words is "eighty-five billion, two hundred fifty-four million, two hundred forty thousand, five hundred nineteen".