88420640064825 has 24 divisors (see below), whose sum is σ = 146190988410048. Its totient is φ = 47156966044480.

The previous prime is 88420640064787. The next prime is 88420640064829. The reversal of 88420640064825 is 52846004602488.

It is not a de Polignac number, because 88420640064825 - 2⁶ = 88420640064761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88420640064829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3815037 + ... + 13834586.

It is an arithmetic number, because the mean of its divisors is an integer number (6091291183752).

Almost surely, 2^{88420640064825} is an apocalyptic number.

It is an amenable number.

88420640064825 is a deficient number, since it is larger than the sum of its proper divisors (57770348345223).

88420640064825 is a wasteful number, since it uses less digits than its factorization.

88420640064825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17716433 (or 17716428 counting only the distinct ones).

The product of its (nonzero) digits is 23592960, while the sum is 57.

The spelling of 88420640064825 in words is "eighty-eight trillion, four hundred twenty billion, six hundred forty million, sixty-four thousand, eight hundred twenty-five".