987383013 has 24 divisors (see below), whose sum is σ = 1409126976. Its totient is φ = 614779200.

The previous prime is 987383009. The next prime is 987383017. The reversal of 987383013 is 310383789.

It is an interprime number because it is at equal distance from previous prime (987383009) and next prime (987383017).

It is not a de Polignac number, because 987383013 - 2² = 987383009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987383017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70473 + ... + 83313.

It is an arithmetic number, because the mean of its divisors is an integer number (58713624).

Almost surely, 2^987383013 is an apocalyptic number.

It is an amenable number.

987383013 is a deficient number, since it is larger than the sum of its proper divisors (421743963).

987383013 is a wasteful number, since it uses less digits than its factorization.

987383013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12953 (or 12934 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 987383013 is about 31422.6512726091. The cubic root of 987383013 is about 995.7765250383.

The spelling of 987383013 in words is "nine hundred eighty-seven million, three hundred eighty-three thousand, thirteen".