1087660840547 has 2 divisors, whose sum is σ = 1087660840548. Its totient is φ = 1087660840546.

The previous prime is 1087660840501. The next prime is 1087660840573. The reversal of 1087660840547 is 7450480667801.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1087660840547 is a prime.

It is a super-2 number, since 2×1087660840547² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1087660840492 and 1087660840501.

It is not a weakly prime, because it can be changed into another prime (1087660840247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543830420273 + 543830420274.

It is an arithmetic number, because the mean of its divisors is an integer number (543830420274).

Almost surely, 2^{1087660840547} is an apocalyptic number.

1087660840547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087660840547 is an equidigital number, since it uses as much as digits as its factorization.

1087660840547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 1087660840547 in words is "one trillion, eighty-seven billion, six hundred sixty million, eight hundred forty thousand, five hundred forty-seven".