153878772509 has 8 divisors (see below), whose sum is σ = 191848859328. Its totient is φ = 119905536960.

The previous prime is 153878772479. The next prime is 153878772527. The reversal of 153878772509 is 905277878351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 153878772509 - 2²⁰ = 153877723933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153878772529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999212732 + ... + 999212885.

It is an arithmetic number, because the mean of its divisors is an integer number (23981107416).

Almost surely, 2^153878772509 is an apocalyptic number.

It is an amenable number.

153878772509 is a deficient number, since it is larger than the sum of its proper divisors (37970086819).

153878772509 is a wasteful number, since it uses less digits than its factorization.

153878772509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998425635.

The product of its (nonzero) digits is 29635200, while the sum is 62.

The spelling of 153878772509 in words is "one hundred fifty-three billion, eight hundred seventy-eight million, seven hundred seventy-two thousand, five hundred nine".