87858707 has 4 divisors (see below), whose sum is σ = 88051416. Its totient is φ = 87666000.

The previous prime is 87858697. The next prime is 87858713. The reversal of 87858707 is 70785878.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70785878 = 2 ⋅35392939.

It is a cyclic number.

It is not a de Polignac number, because 87858707 - 2²² = 83664403 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87858767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95669 + ... + 96582.

It is an arithmetic number, because the mean of its divisors is an integer number (22012854).

Almost surely, 2^87858707 is an apocalyptic number.

87858707 is a deficient number, since it is larger than the sum of its proper divisors (192709).

87858707 is a wasteful number, since it uses less digits than its factorization.

87858707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192708.

The product of its (nonzero) digits is 878080, while the sum is 50.

The square root of 87858707 is about 9373.2975520891. The cubic root of 87858707 is about 444.5578354269.

The spelling of 87858707 in words is "eighty-seven million, eight hundred fifty-eight thousand, seven hundred seven".