87733232511365 has 12 divisors (see below), whose sum is σ = 122468430689676. Its totient is φ = 60159930864768.

The previous prime is 87733232511317. The next prime is 87733232511367. The reversal of 87733232511365 is 56311523233778.

It can be written as a sum of positive squares in 2 ways, for example, as 55697428751041 + 32035803760324 = 7463071^2 + 5660018^2 .

It is not a de Polignac number, because 87733232511365 - 2⁸ = 87733232511109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87733232511365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87733232511367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179047413044 + ... + 179047413533.

It is an arithmetic number, because the mean of its divisors is an integer number (10205702557473).

Almost surely, 2^{87733232511365} is an apocalyptic number.

It is an amenable number.

87733232511365 is a deficient number, since it is larger than the sum of its proper divisors (34735198178311).

87733232511365 is a wasteful number, since it uses less digits than its factorization.

87733232511365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358094826596 (or 358094826589 counting only the distinct ones).

The product of its digits is 19051200, while the sum is 56.

The spelling of 87733232511365 in words is "eighty-seven trillion, seven hundred thirty-three billion, two hundred thirty-two million, five hundred eleven thousand, three hundred sixty-five".