87833533378 has 32 divisors (see below), whose sum is σ = 140810004720. Its totient is φ = 40945766400.

The previous prime is 87833533343. The next prime is 87833533391. The reversal of 87833533378 is 87333533878.

It can be written as a sum of positive squares in 8 ways, for example, as 68472758929 + 19360774449 = 261673^2 + 139143^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8866228 + ... + 8876128.

Almost surely, 2^87833533378 is an apocalyptic number.

87833533378 is a deficient number, since it is larger than the sum of its proper divisors (52976471342).

87833533378 is a wasteful number, since it uses less digits than its factorization.

87833533378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12342.

The product of its digits is 30481920, while the sum is 58.

The spelling of 87833533378 in words is "eighty-seven billion, eight hundred thirty-three million, five hundred thirty-three thousand, three hundred seventy-eight".