87453109043739 has 16 divisors (see below), whose sum is σ = 133739521597440. Its totient is φ = 56421360672840.

The previous prime is 87453109043719. The next prime is 87453109043749. The reversal of 87453109043739 is 93734090135478.

It is a happy number.

87453109043739 is a `hidden beast` number, since 8 + 7 + 4 + 531 + 0 + 90 + 4 + 3 + 7 + 3 + 9 = 666.

It is not a de Polignac number, because 87453109043739 - 2¹¹ = 87453109041691 is a prime.

It is a super-2 number, since 2×87453109043739² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87453109043719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52241999787 + ... + 52242001460.

It is an arithmetic number, because the mean of its divisors is an integer number (8358720099840).

Almost surely, 2^{87453109043739} is an apocalyptic number.

87453109043739 is a deficient number, since it is larger than the sum of its proper divisors (46286412553701).

87453109043739 is a wasteful number, since it uses less digits than its factorization.

87453109043739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104484001287 (or 104484001281 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 63.

The spelling of 87453109043739 in words is "eighty-seven trillion, four hundred fifty-three billion, one hundred nine million, forty-three thousand, seven hundred thirty-nine".