88199726639045 has 48 divisors (see below), whose sum is σ = 127393591849200. Its totient is φ = 58381249167360.

The previous prime is 88199726639033. The next prime is 88199726639047. The reversal of 88199726639045 is 54093662799188.

It can be written as a sum of positive squares in 8 ways, for example, as 330062889121 + 87869663749924 = 574511^2 + 9373882^2 .

It is not a de Polignac number, because 88199726639045 - 2¹⁰ = 88199726638021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88199726639047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30452351 + ... + 33222659.

It is an arithmetic number, because the mean of its divisors is an integer number (2654033163525).

It is a 2-persistent number, because it is pandigital, and so is 2⋅88199726639045 = 176399453278090, but 3⋅88199726639045 = 264599179917135 is not.

Almost surely, 2^{88199726639045} is an apocalyptic number.

It is an amenable number.

88199726639045 is a deficient number, since it is larger than the sum of its proper divisors (39193865210155).

88199726639045 is a wasteful number, since it uses less digits than its factorization.

88199726639045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774838 (or 2774831 counting only the distinct ones).

The product of its (nonzero) digits is 1410877440, while the sum is 77.

The spelling of 88199726639045 in words is "eighty-eight trillion, one hundred ninety-nine billion, seven hundred twenty-six million, six hundred thirty-nine thousand, forty-five".