87845126745 has 32 divisors (see below), whose sum is σ = 143030309760. Its totient is φ = 46026570240.

The previous prime is 87845126701. The next prime is 87845126767. The reversal of 87845126745 is 54762154878.

It is not a de Polignac number, because 87845126745 - 2⁸ = 87845126489 is a prime.

It is a super-2 number, since 2×87845126745² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 698661 + ... + 814749.

It is an arithmetic number, because the mean of its divisors is an integer number (4469697180).

Almost surely, 2^87845126745 is an apocalyptic number.

It is an amenable number.

87845126745 is a deficient number, since it is larger than the sum of its proper divisors (55185183015).

87845126745 is a wasteful number, since it uses less digits than its factorization.

87845126745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116985.

The product of its digits is 15052800, while the sum is 57.

The spelling of 87845126745 in words is "eighty-seven billion, eight hundred forty-five million, one hundred twenty-six thousand, seven hundred forty-five".