873155551378 has 16 divisors (see below), whose sum is σ = 1428820158240. Its totient is φ = 396883285600.

The previous prime is 873155551361. The next prime is 873155551391.

873155551378 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1592358 + ... + 2069278.

It is an arithmetic number, because the mean of its divisors is an integer number (89301259890).

Almost surely, 2^873155551378 is an apocalyptic number.

873155551378 is a deficient number, since it is larger than the sum of its proper divisors (555664606862).

873155551378 is a wasteful number, since it uses less digits than its factorization.

873155551378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560153.

The product of its digits is 17640000, while the sum is 58.

The spelling of 873155551378 in words is "eight hundred seventy-three billion, one hundred fifty-five million, five hundred fifty-one thousand, three hundred seventy-eight".