873378551147 has 4 divisors (see below), whose sum is σ = 924753760056. Its totient is φ = 822003342240.

The previous prime is 873378551141. The next prime is 873378551153. The reversal of 873378551147 is 741155873378.

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

It is an interprime number because it is at equal distance from previous prime (873378551141) and next prime (873378551153).

It is a cyclic number.

It is not a de Polignac number, because 873378551147 - 2²² = 873374356843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (873378551141) 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, 25687604429 + ... + 25687604462.

It is an arithmetic number, because the mean of its divisors is an integer number (231188440014).

Almost surely, 2^873378551147 is an apocalyptic number.

873378551147 is a deficient number, since it is larger than the sum of its proper divisors (51375208909).

873378551147 is a wasteful number, since it uses less digits than its factorization.

873378551147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51375208908.

The product of its digits is 19756800, while the sum is 59.

The spelling of 873378551147 in words is "eight hundred seventy-three billion, three hundred seventy-eight million, five hundred fifty-one thousand, one hundred forty-seven".