88422365557 has 4 divisors (see below), whose sum is σ = 93623681196. Its totient is φ = 83221049920.

The previous prime is 88422365539. The next prime is 88422365579. The reversal of 88422365557 is 75556322488.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81562219281 + 6860146276 = 285591^2 + 82826^2 .

It is a cyclic number.

It is not a de Polignac number, because 88422365557 - 2¹⁹ = 88421841269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88422365498 and 88422365507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88422365657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2600657794 + ... + 2600657827.

It is an arithmetic number, because the mean of its divisors is an integer number (23405920299).

Almost surely, 2^88422365557 is an apocalyptic number.

It is an amenable number.

88422365557 is a deficient number, since it is larger than the sum of its proper divisors (5201315639).

88422365557 is a wasteful number, since it uses less digits than its factorization.

88422365557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5201315638.

The product of its digits is 16128000, while the sum is 55.

The spelling of 88422365557 in words is "eighty-eight billion, four hundred twenty-two million, three hundred sixty-five thousand, five hundred fifty-seven".