987233679 has 12 divisors (see below), whose sum is σ = 1439850256. Its totient is φ = 651765312.

The previous prime is 987233671. The next prime is 987233683. The reversal of 987233679 is 976332789.

It is not a de Polignac number, because 987233679 - 2³ = 987233671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987233671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 531562 + ... + 533415.

Almost surely, 2^987233679 is an apocalyptic number.

987233679 is a deficient number, since it is larger than the sum of its proper divisors (452616577).

987233679 is a wasteful number, since it uses less digits than its factorization.

987233679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065086 (or 1065083 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The square root of 987233679 is about 31420.2749669700. The cubic root of 987233679 is about 995.7263213561.

The spelling of 987233679 in words is "nine hundred eighty-seven million, two hundred thirty-three thousand, six hundred seventy-nine".