88347949610881 has 9 divisors (see below), whose sum is σ = 88428321343299. Its totient is φ = 88267650886944.

The previous prime is 88347949610867. The next prime is 88347949610909. The reversal of 88347949610881 is 18801694974388.

The square root of 88347949610881 is 9399359.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 88075691068225 + 272258542656 = 9384865^2 + 521784^2 .

It is not a de Polignac number, because 88347949610881 - 2¹¹ = 88347949608833 is a prime.

It is a super-2 number, since 2×88347949610881² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88347949610798 and 88347949610807.

It is not an unprimeable number, because it can be changed into a prime (88347949610821) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12190965000 + ... + 12190972246.

Almost surely, 2^{88347949610881} is an apocalyptic number.

88347949610881 is the 9399359-th square number.

88347949610881 is the 4699680-th centered octagonal number.

It is an amenable number.

88347949610881 is a deficient number, since it is larger than the sum of its proper divisors (80371732418).

88347949610881 is an frugal number, since it uses more digits than its factorization.

88347949610881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17088 (or 8544 counting only the distinct ones).

The product of its (nonzero) digits is 668860416, while the sum is 76.

The spelling of 88347949610881 in words is "eighty-eight trillion, three hundred forty-seven billion, nine hundred forty-nine million, six hundred ten thousand, eight hundred eighty-one".