88420640064823 has 32 divisors (see below), whose sum is σ = 101211753545280. Its totient is φ = 76533908520960.

The previous prime is 88420640064787. The next prime is 88420640064829. The reversal of 88420640064823 is 32846004602488.

It is a happy number.

It is not a de Polignac number, because 88420640064823 - 2²¹ = 88420637967671 is a prime.

It is a Duffinian number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 9068886 + ... + 16096147.

It is an arithmetic number, because the mean of its divisors is an integer number (3162867298290).

Almost surely, 2^{88420640064823} is an apocalyptic number.

88420640064823 is a deficient number, since it is larger than the sum of its proper divisors (12791113480457).

88420640064823 is a wasteful number, since it uses less digits than its factorization.

88420640064823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25165267.

The product of its (nonzero) digits is 14155776, while the sum is 55.

The spelling of 88420640064823 in words is "eighty-eight trillion, four hundred twenty billion, six hundred forty million, sixty-four thousand, eight hundred twenty-three".