78875432111 has 8 divisors (see below), whose sum is σ = 90451009824. Its totient is φ = 67376769120.

The previous prime is 78875432081. The next prime is 78875432143. The reversal of 78875432111 is 11123457887.

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-78875432111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78875432161) 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, 19226480 + ... + 19230581.

It is an arithmetic number, because the mean of its divisors is an integer number (11306376228).

Almost surely, 2^78875432111 is an apocalyptic number.

78875432111 is a deficient number, since it is larger than the sum of its proper divisors (11575577713).

78875432111 is a wasteful number, since it uses less digits than its factorization.

78875432111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38457361.

The product of its digits is 376320, while the sum is 47.

Adding to 78875432111 its reverse (11123457887), we get a palindrome (89998889998).

The spelling of 78875432111 in words is "seventy-eight billion, eight hundred seventy-five million, four hundred thirty-two thousand, one hundred eleven".