88431545533 has 2 divisors, whose sum is σ = 88431545534. Its totient is φ = 88431545532.

The previous prime is 88431545513. The next prime is 88431545551. The reversal of 88431545533 is 33554513488.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64007482009 + 24424063524 = 252997^2 + 156282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88431545533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88431545513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44215772766 + 44215772767.

It is an arithmetic number, because the mean of its divisors is an integer number (44215772767).

Almost surely, 2^88431545533 is an apocalyptic number.

It is an amenable number.

88431545533 is a deficient number, since it is larger than the sum of its proper divisors (1).

88431545533 is an equidigital number, since it uses as much as digits as its factorization.

88431545533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456000, while the sum is 49.

The spelling of 88431545533 in words is "eighty-eight billion, four hundred thirty-one million, five hundred forty-five thousand, five hundred thirty-three".