85425480837 has 12 divisors (see below), whose sum is σ = 123396128544. Its totient is φ = 56948581800.

The previous prime is 85425480809. The next prime is 85425480883. The reversal of 85425480837 is 73808452458.

85425480837 is a `hidden beast` number, since 85 + 4 + 2 + 5 + 480 + 83 + 7 = 666.

It is not a de Polignac number, because 85425480837 - 2⁶ = 85425480773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85425480037) 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 11 ways as a sum of consecutive naturals, for example, 212712 + ... + 464862.

It is an arithmetic number, because the mean of its divisors is an integer number (10283010712).

Almost surely, 2^85425480837 is an apocalyptic number.

It is an amenable number.

85425480837 is a deficient number, since it is larger than the sum of its proper divisors (37970647707).

85425480837 is a wasteful number, since it uses less digits than its factorization.

85425480837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289800 (or 289797 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 54.

The spelling of 85425480837 in words is "eighty-five billion, four hundred twenty-five million, four hundred eighty thousand, eight hundred thirty-seven".