987481215 has 48 divisors (see below), whose sum is σ = 1966206528. Its totient is φ = 449100288.

The previous prime is 987481207. The next prime is 987481303. The reversal of 987481215 is 512184789.

It is not a de Polignac number, because 987481215 - 2³ = 987481207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

987481215 is a Rhonda number in base 10.

Its product of digits (161280) is a multiple of the sum of its prime factors (16128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54099 + ... + 70011.

It is an arithmetic number, because the mean of its divisors is an integer number (40962636).

Almost surely, 2^987481215 is an apocalyptic number.

987481215 is a deficient number, since it is larger than the sum of its proper divisors (978725313).

987481215 is a wasteful number, since it uses less digits than its factorization.

987481215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16128 (or 16125 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 987481215 is about 31424.2138326482. The cubic root of 987481215 is about 995.8095362080.

The spelling of 987481215 in words is "nine hundred eighty-seven million, four hundred eighty-one thousand, two hundred fifteen".