87040598 has 4 divisors (see below), whose sum is σ = 130560900. Its totient is φ = 43520298.

The previous prime is 87040559. The next prime is 87040607. The reversal of 87040598 is 89504078.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89504078 = 2 ⋅44752039.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21760148 + ... + 21760151.

It is an arithmetic number, because the mean of its divisors is an integer number (32640225).

Almost surely, 2^87040598 is an apocalyptic number.

87040598 is a deficient number, since it is larger than the sum of its proper divisors (43520302).

87040598 is a wasteful number, since it uses less digits than its factorization.

87040598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43520301.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 87040598 is about 9329.5550804955. Note that the first 3 decimals coincide. The cubic root of 87040598 is about 443.1736754632.

The spelling of 87040598 in words is "eighty-seven million, forty thousand, five hundred ninety-eight".