87998103 has 16 divisors (see below), whose sum is σ = 138036960. Its totient is φ = 55214208.

The previous prime is 87998083. The next prime is 87998107. The reversal of 87998103 is 30189978.

It is not a de Polignac number, because 87998103 - 2¹⁰ = 87997079 is a prime.

It is a super-2 number, since 2×87998103² = 15487332263197218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87998107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95400 + ... + 96317.

It is an arithmetic number, because the mean of its divisors is an integer number (8627310).

Almost surely, 2^87998103 is an apocalyptic number.

87998103 is a deficient number, since it is larger than the sum of its proper divisors (50038857).

87998103 is a wasteful number, since it uses less digits than its factorization.

87998103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191743 (or 191737 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 87998103 is about 9380.7304086622. The cubic root of 87998103 is about 444.7928219619.

The spelling of 87998103 in words is "eighty-seven million, nine hundred ninety-eight thousand, one hundred three".