88894267751721 has 4 divisors (see below), whose sum is σ = 118525690335632. Its totient is φ = 59262845167812.

The previous prime is 88894267751687. The next prime is 88894267751747. The reversal of 88894267751721 is 12715776249888.

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 not a de Polignac number, because 88894267751721 - 2⁷ = 88894267751593 is a prime.

It is a super-2 number, since 2×88894267751721² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88894267751771) 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, 14815711291951 + ... + 14815711291956.

It is an arithmetic number, because the mean of its divisors is an integer number (29631422583908).

Almost surely, 2^{88894267751721} is an apocalyptic number.

It is an amenable number.

88894267751721 is a deficient number, since it is larger than the sum of its proper divisors (29631422583911).

88894267751721 is a wasteful number, since it uses less digits than its factorization.

88894267751721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29631422583910.

The product of its digits is 758661120, while the sum is 75.

The spelling of 88894267751721 in words is "eighty-eight trillion, eight hundred ninety-four billion, two hundred sixty-seven million, seven hundred fifty-one thousand, seven hundred twenty-one".