28992695387 has 2 divisors, whose sum is σ = 28992695388. Its totient is φ = 28992695386.

The previous prime is 28992695359. The next prime is 28992695437. The reversal of 28992695387 is 78359629982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28992695387 - 2¹⁸ = 28992433243 is a prime.

It is not a weakly prime, because it can be changed into another prime (28992695687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14496347693 + 14496347694.

It is an arithmetic number, because the mean of its divisors is an integer number (14496347694).

Almost surely, 2^28992695387 is an apocalyptic number.

28992695387 is a deficient number, since it is larger than the sum of its proper divisors (1).

28992695387 is an equidigital number, since it uses as much as digits as its factorization.

28992695387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117573120, while the sum is 68.

The spelling of 28992695387 in words is "twenty-eight billion, nine hundred ninety-two million, six hundred ninety-five thousand, three hundred eighty-seven".