87366031747 has 2 divisors, whose sum is σ = 87366031748. Its totient is φ = 87366031746.

The previous prime is 87366031723. The next prime is 87366031777. The reversal of 87366031747 is 74713066378.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87366031747 - 2³¹ = 85218548099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87366031694 and 87366031703.

It is not a weakly prime, because it can be changed into another prime (87366031777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43683015873 + 43683015874.

It is an arithmetic number, because the mean of its divisors is an integer number (43683015874).

Almost surely, 2^87366031747 is an apocalyptic number.

87366031747 is a deficient number, since it is larger than the sum of its proper divisors (1).

87366031747 is an equidigital number, since it uses as much as digits as its factorization.

87366031747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3556224, while the sum is 52.

The spelling of 87366031747 in words is "eighty-seven billion, three hundred sixty-six million, thirty-one thousand, seven hundred forty-seven".