88777532222221 has 4 divisors (see below), whose sum is σ = 89091233749792. Its totient is φ = 88463830694652.

The previous prime is 88777532222213. The next prime is 88777532222317. The reversal of 88777532222221 is 12222223577788.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88777532222221 - 2³ = 88777532222213 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88777532222021) 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, 156850763361 + ... + 156850763926.

It is an arithmetic number, because the mean of its divisors is an integer number (22272808437448).

Almost surely, 2^{88777532222221} is an apocalyptic number.

It is an amenable number.

88777532222221 is a deficient number, since it is larger than the sum of its proper divisors (313701527571).

88777532222221 is a wasteful number, since it uses less digits than its factorization.

88777532222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313701527570.

The product of its digits is 21073920, while the sum is 58.

The spelling of 88777532222221 in words is "eighty-eight trillion, seven hundred seventy-seven billion, five hundred thirty-two million, two hundred twenty-two thousand, two hundred twenty-one".