88940478547 has 4 divisors (see below), whose sum is σ = 88942155520. Its totient is φ = 88938801576.

The previous prime is 88940478533. The next prime is 88940478559. The reversal of 88940478547 is 74587404988.

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 88940478547 - 2²⁷ = 88806260819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88940478947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756243 + ... + 865900.

It is an arithmetic number, because the mean of its divisors is an integer number (22235538880).

Almost surely, 2^88940478547 is an apocalyptic number.

88940478547 is a deficient number, since it is larger than the sum of its proper divisors (1676973).

88940478547 is a wasteful number, since it uses less digits than its factorization.

88940478547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676972.

The product of its (nonzero) digits is 72253440, while the sum is 64.

The spelling of 88940478547 in words is "eighty-eight billion, nine hundred forty million, four hundred seventy-eight thousand, five hundred forty-seven".