153394233977 has 2 divisors, whose sum is σ = 153394233978. Its totient is φ = 153394233976.

The previous prime is 153394233943. The next prime is 153394233997. The reversal of 153394233977 is 779332493351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140333401321 + 13060832656 = 374611^2 + 114284^2 .

It is a cyclic number.

It is not a de Polignac number, because 153394233977 - 2⁶ = 153394233913 is a prime.

It is not a weakly prime, because it can be changed into another prime (153394233997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76697116988 + 76697116989.

It is an arithmetic number, because the mean of its divisors is an integer number (76697116989).

Almost surely, 2^153394233977 is an apocalyptic number.

It is an amenable number.

153394233977 is a deficient number, since it is larger than the sum of its proper divisors (1).

153394233977 is an equidigital number, since it uses as much as digits as its factorization.

153394233977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12859560, while the sum is 56.

The spelling of 153394233977 in words is "one hundred fifty-three billion, three hundred ninety-four million, two hundred thirty-three thousand, nine hundred seventy-seven".