987876577 has 2 divisors, whose sum is σ = 987876578. Its totient is φ = 987876576.

The previous prime is 987876553. The next prime is 987876583. The reversal of 987876577 is 775678789.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 869306256 + 118570321 = 29484^2 + 10889^2 .

It is a cyclic number.

It is not a de Polignac number, because 987876577 - 2²⁷ = 853658849 is a prime.

It is not a weakly prime, because it can be changed into another prime (987870577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493938288 + 493938289.

It is an arithmetic number, because the mean of its divisors is an integer number (493938289).

Almost surely, 2^987876577 is an apocalyptic number.

It is an amenable number.

987876577 is a deficient number, since it is larger than the sum of its proper divisors (1).

987876577 is an equidigital number, since it uses as much as digits as its factorization.

987876577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41489280, while the sum is 64.

The square root of 987876577 is about 31430.5039253271. The cubic root of 987876577 is about 995.9424172905.

The spelling of 987876577 in words is "nine hundred eighty-seven million, eight hundred seventy-six thousand, five hundred seventy-seven".