987343407 has 12 divisors (see below), whose sum is σ = 1426442680. Its totient is φ = 658099728.

The previous prime is 987343393. The next prime is 987343411. The reversal of 987343407 is 704343789.

It is a happy number.

It is not a de Polignac number, because 987343407 - 2¹⁶ = 987277871 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 (987343507) 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, 67788 + ... + 81054.

Almost surely, 2^987343407 is an apocalyptic number.

987343407 is a deficient number, since it is larger than the sum of its proper divisors (439099273).

987343407 is a wasteful number, since it uses less digits than its factorization.

987343407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21542 (or 21539 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 987343407 is about 31422.0210521220. The cubic root of 987343407 is about 995.7632106332.

The spelling of 987343407 in words is "nine hundred eighty-seven million, three hundred forty-three thousand, four hundred seven".