87358513 has 8 divisors (see below), whose sum is σ = 95592096. Its totient is φ = 79173600.

The previous prime is 87358493. The next prime is 87358519. The reversal of 87358513 is 31585378.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87358513 - 2¹³ = 87350321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87358519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8356 + ... + 15637.

It is an arithmetic number, because the mean of its divisors is an integer number (11949012).

Almost surely, 2^87358513 is an apocalyptic number.

It is an amenable number.

87358513 is a deficient number, since it is larger than the sum of its proper divisors (8233583).

87358513 is a wasteful number, since it uses less digits than its factorization.

87358513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24335.

The product of its digits is 100800, while the sum is 40.

The square root of 87358513 is about 9346.5776089433. The cubic root of 87358513 is about 443.7125824960.

The spelling of 87358513 in words is "eighty-seven million, three hundred fifty-eight thousand, five hundred thirteen".