85391525762 has 8 divisors (see below), whose sum is σ = 128088858492. Its totient is φ = 42695239600.

The previous prime is 85391525753. The next prime is 85391525767. The reversal of 85391525762 is 26752519358.

It can be written as a sum of positive squares in 2 ways, for example, as 85054472881 + 337052881 = 291641^2 + 18359^2 .

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

It is not an unprimeable number, because it can be changed into a prime (85391525767) 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 3 ways as a sum of consecutive naturals, for example, 8789 + ... + 413352.

Almost surely, 2^85391525762 is an apocalyptic number.

85391525762 is a deficient number, since it is larger than the sum of its proper divisors (42697332730).

85391525762 is a wasteful number, since it uses less digits than its factorization.

85391525762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523284.

The product of its digits is 4536000, while the sum is 53.

The spelling of 85391525762 in words is "eighty-five billion, three hundred ninety-one million, five hundred twenty-five thousand, seven hundred sixty-two".