28977042201 has 8 divisors (see below), whose sum is σ = 38706691104. Its totient is φ = 19282710720.

The previous prime is 28977042197. The next prime is 28977042203. The reversal of 28977042201 is 10224077982.

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

It is not a de Polignac number, because 28977042201 - 2² = 28977042197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28977042203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8827440 + ... + 8830721.

It is an arithmetic number, because the mean of its divisors is an integer number (4838336388).

Almost surely, 2^28977042201 is an apocalyptic number.

It is an amenable number.

28977042201 is a deficient number, since it is larger than the sum of its proper divisors (9729648903).

28977042201 is a wasteful number, since it uses less digits than its factorization.

28977042201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17658711.

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 28977042201 in words is "twenty-eight billion, nine hundred seventy-seven million, forty-two thousand, two hundred one".