987876545 has 16 divisors (see below), whose sum is σ = 1256359248. Its totient is φ = 743116800.

The previous prime is 987876523. The next prime is 987876553. The reversal of 987876545 is 545678789.

It is a happy number.

987876545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

987876545 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 8 ways, for example, as 39790864 + 948085681 = 6308^2 + 30791^2 .

It is not a de Polignac number, because 987876545 - 2¹² = 987872449 is a prime.

It is a super-2 number, since 2×987876545² = 1951800136322274050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97247 + ... + 106923.

It is an arithmetic number, because the mean of its divisors is an integer number (78522453).

Almost surely, 2^987876545 is an apocalyptic number.

It is an amenable number.

987876545 is a deficient number, since it is larger than the sum of its proper divisors (268482703).

987876545 is a wasteful number, since it uses less digits than its factorization.

987876545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10900.

The product of its digits is 16934400, while the sum is 59.

The square root of 987876545 is about 31430.5034162675. The cubic root of 987876545 is about 995.9424065368.

The spelling of 987876545 in words is "nine hundred eighty-seven million, eight hundred seventy-six thousand, five hundred forty-five".