88221485588138 has 32 divisors (see below), whose sum is σ = 154476975066624. Its totient is φ = 36999405136512.

The previous prime is 88221485588057. The next prime is 88221485588143. The reversal of 88221485588138 is 83188558412288.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5140331 + ... + 14243102.

It is an arithmetic number, because the mean of its divisors is an integer number (4827405470832).

Almost surely, 2^{88221485588138} is an apocalyptic number.

88221485588138 is a deficient number, since it is larger than the sum of its proper divisors (66255489478486).

88221485588138 is a wasteful number, since it uses less digits than its factorization.

88221485588138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19390406.

The product of its digits is 314572800, while the sum is 71.

The spelling of 88221485588138 in words is "eighty-eight trillion, two hundred twenty-one billion, four hundred eighty-five million, five hundred eighty-eight thousand, one hundred thirty-eight".