88428161490647 has 32 divisors (see below), whose sum is σ = 97056004433664. Its totient is φ = 79900340889600.

The previous prime is 88428161490583. The next prime is 88428161490649. The reversal of 88428161490647 is 74609416182488.

It is not a de Polignac number, because 88428161490647 - 2⁶ = 88428161490583 is a prime.

It is a super-2 number, since 2×88428161490647² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88428161490649) 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, 1590320948 + ... + 1590376550.

It is an arithmetic number, because the mean of its divisors is an integer number (3033000138552).

Almost surely, 2^{88428161490647} is an apocalyptic number.

88428161490647 is a deficient number, since it is larger than the sum of its proper divisors (8627842943017).

88428161490647 is a wasteful number, since it uses less digits than its factorization.

88428161490647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57279.

The product of its (nonzero) digits is 148635648, while the sum is 68.

The spelling of 88428161490647 in words is "eighty-eight trillion, four hundred twenty-eight billion, one hundred sixty-one million, four hundred ninety thousand, six hundred forty-seven".