7630778505 has 16 divisors (see below), whose sum is σ = 13953423744. Its totient is φ = 3488355840.

The previous prime is 7630778503. The next prime is 7630778531. The reversal of 7630778505 is 5058770367.

It is not a de Polignac number, because 7630778505 - 2¹ = 7630778503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7630778501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36336936 + ... + 36337145.

It is an arithmetic number, because the mean of its divisors is an integer number (872088984).

Almost surely, 2^7630778505 is an apocalyptic number.

It is an amenable number.

7630778505 is a deficient number, since it is larger than the sum of its proper divisors (6322645239).

7630778505 is a wasteful number, since it uses less digits than its factorization.

7630778505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72674096.

The product of its (nonzero) digits is 1234800, while the sum is 48.

The square root of 7630778505 is about 87354.3273398634. The cubic root of 7630778505 is about 1968.7456696907.

The spelling of 7630778505 in words is "seven billion, six hundred thirty million, seven hundred seventy-eight thousand, five hundred five".