987928077319 has 2 divisors, whose sum is σ = 987928077320. Its totient is φ = 987928077318.

The previous prime is 987928077307. The next prime is 987928077347. The reversal of 987928077319 is 913770829789.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 987928077319 - 2²³ = 987919688711 is a prime.

It is a super-2 number, since 2×987928077319² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (987928077349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493964038659 + 493964038660.

It is an arithmetic number, because the mean of its divisors is an integer number (493964038660).

Almost surely, 2^987928077319 is an apocalyptic number.

987928077319 is a deficient number, since it is larger than the sum of its proper divisors (1).

987928077319 is an equidigital number, since it uses as much as digits as its factorization.

987928077319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96018048, while the sum is 70.

It can be divided in two parts, 9879280 and 77319, that added together give a palindrome (9956599).

The spelling of 987928077319 in words is "nine hundred eighty-seven billion, nine hundred twenty-eight million, seventy-seven thousand, three hundred nineteen".