2640832877 has 2 divisors, whose sum is σ = 2640832878. Its totient is φ = 2640832876.

The previous prime is 2640832841. The next prime is 2640832903. The reversal of 2640832877 is 7782380462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1730060836 + 910772041 = 41594^2 + 30179^2 .

It is a cyclic number.

It is not a de Polignac number, because 2640832877 - 2⁶ = 2640832813 is a prime.

It is a super-3 number, since 3×2640832877³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2640832177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320416438 + 1320416439.

It is an arithmetic number, because the mean of its divisors is an integer number (1320416439).

Almost surely, 2^2640832877 is an apocalyptic number.

It is an amenable number.

2640832877 is a deficient number, since it is larger than the sum of its proper divisors (1).

2640832877 is an equidigital number, since it uses as much as digits as its factorization.

2640832877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 903168, while the sum is 47.

The square root of 2640832877 is about 51389.0345988325. The cubic root of 2640832877 is about 1382.2299724521.

The spelling of 2640832877 in words is "two billion, six hundred forty million, eight hundred thirty-two thousand, eight hundred seventy-seven".