28947371395 has 8 divisors (see below), whose sum is σ = 36247143456. Its totient is φ = 22151031936.

The previous prime is 28947371381. The next prime is 28947371399. The reversal of 28947371395 is 59317374982.

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 28947371395 - 2⁷ = 28947371267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28947371399) 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, 125858022 + ... + 125858251.

It is an arithmetic number, because the mean of its divisors is an integer number (4530892932).

Almost surely, 2^28947371395 is an apocalyptic number.

28947371395 is a deficient number, since it is larger than the sum of its proper divisors (7299772061).

28947371395 is a wasteful number, since it uses less digits than its factorization.

28947371395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251716301.

The product of its digits is 11430720, while the sum is 58.

The spelling of 28947371395 in words is "twenty-eight billion, nine hundred forty-seven million, three hundred seventy-one thousand, three hundred ninety-five".