28954829077 has 2 divisors, whose sum is σ = 28954829078. Its totient is φ = 28954829076.

The previous prime is 28954829023. The next prime is 28954829083. The reversal of 28954829077 is 77092845982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15171834276 + 13782994801 = 123174^2 + 117401^2 .

It is a cyclic number.

It is not a de Polignac number, because 28954829077 - 2²³ = 28946440469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28954829677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14477414538 + 14477414539.

It is an arithmetic number, because the mean of its divisors is an integer number (14477414539).

Almost surely, 2^28954829077 is an apocalyptic number.

It is an amenable number.

28954829077 is a deficient number, since it is larger than the sum of its proper divisors (1).

28954829077 is an equidigital number, since it uses as much as digits as its factorization.

28954829077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20321280, while the sum is 61.

The spelling of 28954829077 in words is "twenty-eight billion, nine hundred fifty-four million, eight hundred twenty-nine thousand, seventy-seven".