78572150003 has 2 divisors, whose sum is σ = 78572150004. Its totient is φ = 78572150002.

The previous prime is 78572149987. The next prime is 78572150047. The reversal of 78572150003 is 30005127587.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (30005127587) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78572150003 - 2⁴ = 78572149987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (78572150053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39286075001 + 39286075002.

It is an arithmetic number, because the mean of its divisors is an integer number (39286075002).

Almost surely, 2^78572150003 is an apocalyptic number.

78572150003 is a deficient number, since it is larger than the sum of its proper divisors (1).

78572150003 is an equidigital number, since it uses as much as digits as its factorization.

78572150003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58800, while the sum is 38.

The spelling of 78572150003 in words is "seventy-eight billion, five hundred seventy-two million, one hundred fifty thousand, three".