87877859 has 8 divisors (see below), whose sum is σ = 91050960. Its totient is φ = 84714336.

The previous prime is 87877843. The next prime is 87877897. The reversal of 87877859 is 95877878.

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

It is not a de Polignac number, because 87877859 - 2⁴ = 87877843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87877798 and 87877807.

It is not an unprimeable number, because it can be changed into a prime (87877259) 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, 19952 + ... + 23954.

It is an arithmetic number, because the mean of its divisors is an integer number (11381370).

Almost surely, 2^87877859 is an apocalyptic number.

87877859 is a deficient number, since it is larger than the sum of its proper divisors (3173101).

87877859 is a wasteful number, since it uses less digits than its factorization.

87877859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4789.

The product of its digits is 7902720, while the sum is 59.

The square root of 87877859 is about 9374.3191219416. The cubic root of 87877859 is about 444.5901355953.

The spelling of 87877859 in words is "eighty-seven million, eight hundred seventy-seven thousand, eight hundred fifty-nine".