88663891447 has 2 divisors, whose sum is σ = 88663891448. Its totient is φ = 88663891446.

The previous prime is 88663891429. The next prime is 88663891451. The reversal of 88663891447 is 74419836688.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88663891447 - 2²⁷ = 88529673719 is a prime.

It is a super-2 number, since 2×88663891447² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88663891487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44331945723 + 44331945724.

It is an arithmetic number, because the mean of its divisors is an integer number (44331945724).

Almost surely, 2^88663891447 is an apocalyptic number.

88663891447 is a deficient number, since it is larger than the sum of its proper divisors (1).

88663891447 is an equidigital number, since it uses as much as digits as its factorization.

88663891447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55738368, while the sum is 64.

The spelling of 88663891447 in words is "eighty-eight billion, six hundred sixty-three million, eight hundred ninety-one thousand, four hundred forty-seven".