88644844641 has 16 divisors (see below), whose sum is σ = 124947800640. Its totient is φ = 55745925120.

The previous prime is 88644844637. The next prime is 88644844643. The reversal of 88644844641 is 14644844688.

It is not a de Polignac number, because 88644844641 - 2² = 88644844637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (88644844643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3324000 + ... + 3350561.

It is an arithmetic number, because the mean of its divisors is an integer number (7809237540).

Almost surely, 2^88644844641 is an apocalyptic number.

It is an amenable number.

88644844641 is a deficient number, since it is larger than the sum of its proper divisors (36302955999).

88644844641 is a wasteful number, since it uses less digits than its factorization.

88644844641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674816.

The product of its digits is 18874368, while the sum is 57.

The spelling of 88644844641 in words is "eighty-eight billion, six hundred forty-four million, eight hundred forty-four thousand, six hundred forty-one".