28299165701 has 2 divisors, whose sum is σ = 28299165702. Its totient is φ = 28299165700.

The previous prime is 28299165683. The next prime is 28299165767. The reversal of 28299165701 is 10756199282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20717284225 + 7581881476 = 143935^2 + 87074^2 .

It is a cyclic number.

It is not a de Polignac number, because 28299165701 - 2²⁶ = 28232056837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28299165701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28299165001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14149582850 + 14149582851.

It is an arithmetic number, because the mean of its divisors is an integer number (14149582851).

Almost surely, 2^28299165701 is an apocalyptic number.

It is an amenable number.

28299165701 is a deficient number, since it is larger than the sum of its proper divisors (1).

28299165701 is an equidigital number, since it uses as much as digits as its factorization.

28299165701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 28299165701 in words is "twenty-eight billion, two hundred ninety-nine million, one hundred sixty-five thousand, seven hundred one".