88947047921 has 8 divisors (see below), whose sum is σ = 90870074880. Its totient is φ = 87043948992.

The previous prime is 88947047867. The next prime is 88947047923. The reversal of 88947047921 is 12974074988.

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

It is a cyclic number.

It is not a de Polignac number, because 88947047921 - 2²² = 88942853617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88947047923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4972985 + ... + 4990838.

It is an arithmetic number, because the mean of its divisors is an integer number (11358759360).

Almost surely, 2^88947047921 is an apocalyptic number.

It is an amenable number.

88947047921 is a deficient number, since it is larger than the sum of its proper divisors (1923026959).

88947047921 is a wasteful number, since it uses less digits than its factorization.

88947047921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9964015.

The product of its (nonzero) digits is 8128512, while the sum is 59.

The spelling of 88947047921 in words is "eighty-eight billion, nine hundred forty-seven million, forty-seven thousand, nine hundred twenty-one".