5628640877 has 2 divisors, whose sum is σ = 5628640878. Its totient is φ = 5628640876.

The previous prime is 5628640847. The next prime is 5628640879. The reversal of 5628640877 is 7780468265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5597882761 + 30758116 = 74819^2 + 5546^2 .

It is a cyclic number.

It is not a de Polignac number, because 5628640877 - 2¹² = 5628636781 is a prime.

Together with 5628640879, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5628640879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2814320438 + 2814320439.

It is an arithmetic number, because the mean of its divisors is an integer number (2814320439).

Almost surely, 2^5628640877 is an apocalyptic number.

It is an amenable number.

5628640877 is a deficient number, since it is larger than the sum of its proper divisors (1).

5628640877 is an equidigital number, since it uses as much as digits as its factorization.

5628640877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The square root of 5628640877 is about 75024.2685869046. The cubic root of 5628640877 is about 1778.8302794434.

The spelling of 5628640877 in words is "five billion, six hundred twenty-eight million, six hundred forty thousand, eight hundred seventy-seven".