876394428394 has 8 divisors (see below), whose sum is σ = 1315292016708. Its totient is φ = 437963756160.

The previous prime is 876394428391. The next prime is 876394428407. The reversal of 876394428394 is 493824493678.

It can be written as a sum of positive squares in 2 ways, for example, as 834783732225 + 41610696169 = 913665^2 + 203987^2 .

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

It is not an unprimeable number, because it can be changed into a prime (876394428391) 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, 116724327 + ... + 116731834.

Almost surely, 2^876394428394 is an apocalyptic number.

876394428394 is a deficient number, since it is larger than the sum of its proper divisors (438897588314).

876394428394 is a wasteful number, since it uses less digits than its factorization.

876394428394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233458040.

The product of its digits is 250822656, while the sum is 67.

The spelling of 876394428394 in words is "eight hundred seventy-six billion, three hundred ninety-four million, four hundred twenty-eight thousand, three hundred ninety-four".