78572150143 has 4 divisors (see below), whose sum is σ = 81988330608. Its totient is φ = 75155969680.

The previous prime is 78572150131. The next prime is 78572150191. The reversal of 78572150143 is 34105127587.

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

It is a cyclic number.

It is not a de Polignac number, because 78572150143 - 2⁹ = 78572149631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78572150143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78572150243) 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, 1708090198 + ... + 1708090243.

It is an arithmetic number, because the mean of its divisors is an integer number (20497082652).

Almost surely, 2^78572150143 is an apocalyptic number.

78572150143 is a deficient number, since it is larger than the sum of its proper divisors (3416180465).

78572150143 is a wasteful number, since it uses less digits than its factorization.

78572150143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416180464.

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 78572150143 in words is "seventy-eight billion, five hundred seventy-two million, one hundred fifty thousand, one hundred forty-three".