87477708783 has 16 divisors (see below), whose sum is σ = 118234941440. Its totient is φ = 57524274144.

The previous prime is 87477708781. The next prime is 87477708797. The reversal of 87477708783 is 38780777478.

It is not a de Polignac number, because 87477708783 - 2¹ = 87477708781 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 (87477708781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526891 + ... + 672732.

It is an arithmetic number, because the mean of its divisors is an integer number (7389683840).

Almost surely, 2^87477708783 is an apocalyptic number.

87477708783 is a deficient number, since it is larger than the sum of its proper divisors (30757232657).

87477708783 is a wasteful number, since it uses less digits than its factorization.

87477708783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199958.

The product of its (nonzero) digits is 103262208, while the sum is 66.

The spelling of 87477708783 in words is "eighty-seven billion, four hundred seventy-seven million, seven hundred eight thousand, seven hundred eighty-three".