85626225408 has 54 divisors (see below), whose sum is σ = 227912215804. Its totient is φ = 28539372032.

The previous prime is 85626225403. The next prime is 85626225437. The reversal of 85626225408 is 80452262658.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (85626225403) 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 5 ways as a sum of consecutive naturals, for example, 8104033 + ... + 8114591.

Almost surely, 2^85626225408 is an apocalyptic number.

It is an amenable number.

85626225408 is an abundant number, since it is smaller than the sum of its proper divisors (142285990396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85626225408 is an frugal number, since it uses more digits than its factorization.

85626225408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21137 (or 10564 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 48.

Multiplying 85626225408 by its sum of digits (48), we get a square (4110058819584 = 2027328²).

85626225408 divided by its sum of digits (48) gives a square (1783879696 = 42236²).

The spelling of 85626225408 in words is "eighty-five billion, six hundred twenty-six million, two hundred twenty-five thousand, four hundred eight".