88807572945729 has 27 divisors (see below), whose sum is σ = 140999845103299. Its totient is φ = 53822583006720.

The previous prime is 88807572945727. The next prime is 88807572945779. The reversal of 88807572945729 is 92754927570888.

The square root of 88807572945729 is 9423777.

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

88807572945729 is a `hidden beast` number, since 8 + 8 + 8 + 0 + 75 + 72 + 9 + 457 + 29 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38805137808129 + 50002435137600 = 6229377^2 + 7071240^2 .

It is not a de Polignac number, because 88807572945729 - 2¹ = 88807572945727 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88807572945727) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 310841857 + ... + 311127425.

Almost surely, 2^{88807572945729} is an apocalyptic number.

88807572945729 is the 9423777-th square number.

88807572945729 is the 4711889-th centered octagonal number.

It is an amenable number.

88807572945729 is a deficient number, since it is larger than the sum of its proper divisors (52192272157570).

88807572945729 is an frugal number, since it uses more digits than its factorization.

88807572945729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571166 (or 285583 counting only the distinct ones).

The product of its (nonzero) digits is 5689958400, while the sum is 81.

The spelling of 88807572945729 in words is "eighty-eight trillion, eight hundred seven billion, five hundred seventy-two million, nine hundred forty-five thousand, seven hundred twenty-nine".