87576877 has 4 divisors (see below), whose sum is σ = 92728476. Its totient is φ = 82425280.

The previous prime is 87576857. The next prime is 87576887. The reversal of 87576877 is 77867578.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77867578 = 2 ⋅38933789.

It can be written as a sum of positive squares in 2 ways, for example, as 74753316 + 12823561 = 8646^2 + 3581^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87576877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87576857) 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, 2575774 + ... + 2575807.

It is an arithmetic number, because the mean of its divisors is an integer number (23182119).

Almost surely, 2^87576877 is an apocalyptic number.

It is an amenable number.

87576877 is a deficient number, since it is larger than the sum of its proper divisors (5151599).

87576877 is a wasteful number, since it uses less digits than its factorization.

87576877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151598.

The product of its digits is 4609920, while the sum is 55.

The square root of 87576877 is about 9358.2518132395. The cubic root of 87576877 is about 444.0819807092.

The spelling of 87576877 in words is "eighty-seven million, five hundred seventy-six thousand, eight hundred seventy-seven".