153394233987 has 16 divisors (see below), whose sum is σ = 204884416512. Its totient is φ = 102083556960.

The previous prime is 153394233977. The next prime is 153394233997. The reversal of 153394233987 is 789332493351.

It is an interprime number because it is at equal distance from previous prime (153394233977) and next prime (153394233997).

It is not a de Polignac number, because 153394233987 - 2¹⁶ = 153394168451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (153394233977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5734558 + ... + 5761244.

It is an arithmetic number, because the mean of its divisors is an integer number (12805276032).

Almost surely, 2^153394233987 is an apocalyptic number.

153394233987 is a deficient number, since it is larger than the sum of its proper divisors (51490182525).

153394233987 is a wasteful number, since it uses less digits than its factorization.

153394233987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29978.

The product of its digits is 14696640, while the sum is 57.

The spelling of 153394233987 in words is "one hundred fifty-three billion, three hundred ninety-four million, two hundred thirty-three thousand, nine hundred eighty-seven".