14975970618877 has 2 divisors, whose sum is σ = 14975970618878. Its totient is φ = 14975970618876.

The previous prime is 14975970618859. The next prime is 14975970618899. The reversal of 14975970618877 is 77881607957941.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11096433739161 + 3879536879716 = 3331131^2 + 1969654^2 .

It is a cyclic number.

It is not a de Polignac number, because 14975970618877 - 2²³ = 14975962230269 is a prime.

It is a super-2 number, since 2×14975970618877² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14975970618797 and 14975970618806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14975970618277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7487985309438 + 7487985309439.

It is an arithmetic number, because the mean of its divisors is an integer number (7487985309439).

Almost surely, 2^{14975970618877} is an apocalyptic number.

It is an amenable number.

14975970618877 is a deficient number, since it is larger than the sum of its proper divisors (1).

14975970618877 is an equidigital number, since it uses as much as digits as its factorization.

14975970618877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1493614080, while the sum is 79.

The spelling of 14975970618877 in words is "fourteen trillion, nine hundred seventy-five billion, nine hundred seventy million, six hundred eighteen thousand, eight hundred seventy-seven".