87158484436801 has 4 divisors (see below), whose sum is σ = 92285454109572. Its totient is φ = 82031514764032.

The previous prime is 87158484436799. The next prime is 87158484436841. The reversal of 87158484436801 is 10863448485178.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25000650004225 + 62157834432576 = 5000065^2 + 7884024^2 .

It is a cyclic number.

It is not a de Polignac number, because 87158484436801 - 2¹ = 87158484436799 is a prime.

It is a super-2 number, since 2×87158484436801² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87158484436841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2563484836360 + ... + 2563484836393.

It is an arithmetic number, because the mean of its divisors is an integer number (23071363527393).

Almost surely, 2^{87158484436801} is an apocalyptic number.

It is an amenable number.

87158484436801 is a deficient number, since it is larger than the sum of its proper divisors (5126969672771).

87158484436801 is a wasteful number, since it uses less digits than its factorization.

87158484436801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126969672770.

The product of its (nonzero) digits is 165150720, while the sum is 67.

The spelling of 87158484436801 in words is "eighty-seven trillion, one hundred fifty-eight billion, four hundred eighty-four million, four hundred thirty-six thousand, eight hundred one".