153432972487 has 4 divisors (see below), whose sum is σ = 155156938560. Its totient is φ = 151709006416.

The previous prime is 153432972479. The next prime is 153432972499. The reversal of 153432972487 is 784279234351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 153432972487 - 2³ = 153432972479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153432972587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861982903 + ... + 861983080.

It is an arithmetic number, because the mean of its divisors is an integer number (38789234640).

Almost surely, 2^153432972487 is an apocalyptic number.

153432972487 is a deficient number, since it is larger than the sum of its proper divisors (1723966073).

153432972487 is an equidigital number, since it uses as much as digits as its factorization.

153432972487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723966072.

The product of its digits is 10160640, while the sum is 55.

The spelling of 153432972487 in words is "one hundred fifty-three billion, four hundred thirty-two million, nine hundred seventy-two thousand, four hundred eighty-seven".