89740387501 has 2 divisors, whose sum is σ = 89740387502. Its totient is φ = 89740387500.

The previous prime is 89740387483. The next prime is 89740387507. The reversal of 89740387501 is 10578304798.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86922370276 + 2818017225 = 294826^2 + 53085^2 .

It is a cyclic number.

It is not a de Polignac number, because 89740387501 - 2⁵ = 89740387469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89740387507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44870193750 + 44870193751.

It is an arithmetic number, because the mean of its divisors is an integer number (44870193751).

Almost surely, 2^89740387501 is an apocalyptic number.

It is an amenable number.

89740387501 is a deficient number, since it is larger than the sum of its proper divisors (1).

89740387501 is an equidigital number, since it uses as much as digits as its factorization.

89740387501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 89740387501 in words is "eighty-nine billion, seven hundred forty million, three hundred eighty-seven thousand, five hundred one".