7755640351 has 2 divisors, whose sum is σ = 7755640352. Its totient is φ = 7755640350.

The previous prime is 7755640339. The next prime is 7755640367. The reversal of 7755640351 is 1530465577.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7755640351 - 2⁹ = 7755639839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7755640298 and 7755640307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7755640301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3877820175 + 3877820176.

It is an arithmetic number, because the mean of its divisors is an integer number (3877820176).

Almost surely, 2^7755640351 is an apocalyptic number.

7755640351 is a deficient number, since it is larger than the sum of its proper divisors (1).

7755640351 is an equidigital number, since it uses as much as digits as its factorization.

7755640351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 441000, while the sum is 43.

The square root of 7755640351 is about 88066.1135227393. The cubic root of 7755640351 is about 1979.4257722468.

The spelling of 7755640351 in words is "seven billion, seven hundred fifty-five million, six hundred forty thousand, three hundred fifty-one".