1087185480779 has 2 divisors, whose sum is σ = 1087185480780. Its totient is φ = 1087185480778.

The previous prime is 1087185480757. The next prime is 1087185480803. The reversal of 1087185480779 is 9770845817801.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1087185480779 is a prime.

It is not a weakly prime, because it can be changed into another prime (1087185489779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543592740389 + 543592740390.

It is an arithmetic number, because the mean of its divisors is an integer number (543592740390).

Almost surely, 2^{1087185480779} is an apocalyptic number.

1087185480779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087185480779 is an equidigital number, since it uses as much as digits as its factorization.

1087185480779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31610880, while the sum is 65.

The spelling of 1087185480779 in words is "one trillion, eighty-seven billion, one hundred eighty-five million, four hundred eighty thousand, seven hundred seventy-nine".