1878874870567 has 8 divisors (see below), whose sum is σ = 1885917067632. Its totient is φ = 1871834539200.

The previous prime is 1878874870427. The next prime is 1878874870627. The reversal of 1878874870567 is 7650784788781.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1878874870567 is a prime.

It is a super-2 number, since 2×1878874870567² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1878874870493 and 1878874870502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1878874870867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1568067 + ... + 2493307.

It is an arithmetic number, because the mean of its divisors is an integer number (235739633454).

Almost surely, 2^{1878874870567} is an apocalyptic number.

1878874870567 is a deficient number, since it is larger than the sum of its proper divisors (7042197065).

1878874870567 is an equidigital number, since it uses as much as digits as its factorization.

1878874870567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932849.

The product of its (nonzero) digits is 1180139520, while the sum is 76.

The spelling of 1878874870567 in words is "one trillion, eight hundred seventy-eight billion, eight hundred seventy-four million, eight hundred seventy thousand, five hundred sixty-seven".