87443754577601 has 2 divisors, whose sum is σ = 87443754577602. Its totient is φ = 87443754577600.

The previous prime is 87443754577561. The next prime is 87443754577631. The reversal of 87443754577601 is 10677545734478.

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., 73687184847376 + 13756569730225 = 8584124^2 + 3708985^2 .

It is a cyclic number.

It is not a de Polignac number, because 87443754577601 - 2³⁸ = 87168876670657 is a prime.

It is not a weakly prime, because it can be changed into another prime (87443754577631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43721877288800 + 43721877288801.

It is an arithmetic number, because the mean of its divisors is an integer number (43721877288801).

Almost surely, 2^{87443754577601} is an apocalyptic number.

It is an amenable number.

87443754577601 is a deficient number, since it is larger than the sum of its proper divisors (1).

87443754577601 is an equidigital number, since it uses as much as digits as its factorization.

87443754577601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 553190400, while the sum is 68.

The spelling of 87443754577601 in words is "eighty-seven trillion, four hundred forty-three billion, seven hundred fifty-four million, five hundred seventy-seven thousand, six hundred one".