873727378 has 4 divisors (see below), whose sum is σ = 1310591070. Its totient is φ = 436863688.

The previous prime is 873727373. The next prime is 873727411.

873727378 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 728838009 + 144889369 = 26997^2 + 12037^2 .

It is not an unprimeable number, because it can be changed into a prime (873727373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218431843 + ... + 218431846.

Almost surely, 2^873727378 is an apocalyptic number.

873727378 is a deficient number, since it is larger than the sum of its proper divisors (436863692).

873727378 is a wasteful number, since it uses less digits than its factorization.

873727378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436863691.

The product of its digits is 2765952, while the sum is 52.

The square root of 873727378 is about 29558.8798502244. The cubic root of 873727378 is about 956.0016638627.

The spelling of 873727378 in words is "eight hundred seventy-three million, seven hundred twenty-seven thousand, three hundred seventy-eight".