88947642507 has 4 divisors (see below), whose sum is σ = 118596856680. Its totient is φ = 59298428336.

The previous prime is 88947642491. The next prime is 88947642533. The reversal of 88947642507 is 70524674988.

It is a happy number.

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 88947642507 - 2⁴ = 88947642491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88947642107) 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 in 3 ways as a sum of consecutive naturals, for example, 14824607082 + ... + 14824607087.

It is an arithmetic number, because the mean of its divisors is an integer number (29649214170).

Almost surely, 2^88947642507 is an apocalyptic number.

88947642507 is a deficient number, since it is larger than the sum of its proper divisors (29649214173).

88947642507 is a wasteful number, since it uses less digits than its factorization.

88947642507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29649214172.

The product of its (nonzero) digits is 27095040, while the sum is 60.

The spelling of 88947642507 in words is "eighty-eight billion, nine hundred forty-seven million, six hundred forty-two thousand, five hundred seven".