63157895387 has 2 divisors, whose sum is σ = 63157895388. Its totient is φ = 63157895386.

The previous prime is 63157895363. The next prime is 63157895399. The reversal of 63157895387 is 78359875136.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63157895387 - 2⁶ = 63157895323 is a prime.

It is not a weakly prime, because it can be changed into another prime (63157895347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31578947693 + 31578947694.

It is an arithmetic number, because the mean of its divisors is an integer number (31578947694).

Almost surely, 2^63157895387 is an apocalyptic number.

63157895387 is a deficient number, since it is larger than the sum of its proper divisors (1).

63157895387 is an equidigital number, since it uses as much as digits as its factorization.

63157895387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38102400, while the sum is 62.

The spelling of 63157895387 in words is "sixty-three billion, one hundred fifty-seven million, eight hundred ninety-five thousand, three hundred eighty-seven".