88312222221387 has 4 divisors (see below), whose sum is σ = 117749629628520. Its totient is φ = 58874814814256.

The previous prime is 88312222221383. The next prime is 88312222221409. The reversal of 88312222221387 is 78312222221388.

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

It is a cyclic number.

It is not a de Polignac number, because 88312222221387 - 2² = 88312222221383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88312222221383) 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, 14718703703562 + ... + 14718703703567.

It is an arithmetic number, because the mean of its divisors is an integer number (29437407407130).

Almost surely, 2^{88312222221387} is an apocalyptic number.

88312222221387 is a deficient number, since it is larger than the sum of its proper divisors (29437407407133).

88312222221387 is a wasteful number, since it uses less digits than its factorization.

88312222221387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29437407407132.

The product of its digits is 2064384, while the sum is 51.

Subtracting from 88312222221387 its reverse (78312222221388), we obtain a palindrome (9999999999999).

The spelling of 88312222221387 in words is "eighty-eight trillion, three hundred twelve billion, two hundred twenty-two million, two hundred twenty-one thousand, three hundred eighty-seven".