7730472687 has 16 divisors (see below), whose sum is σ = 11945682432. Its totient is φ = 4355195040.

The previous prime is 7730472647. The next prime is 7730472691. The reversal of 7730472687 is 7862740377.

It is not a de Polignac number, because 7730472687 - 2¹⁰ = 7730471663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7730472637) 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, 2590888 + ... + 2593869.

It is an arithmetic number, because the mean of its divisors is an integer number (746605152).

Almost surely, 2^7730472687 is an apocalyptic number.

7730472687 is a deficient number, since it is larger than the sum of its proper divisors (4215209745).

7730472687 is a wasteful number, since it uses less digits than its factorization.

7730472687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184838.

The product of its (nonzero) digits is 2765952, while the sum is 51.

The square root of 7730472687 is about 87923.1066728195. The cubic root of 7730472687 is about 1977.2823211534.

The spelling of 7730472687 in words is "seven billion, seven hundred thirty million, four hundred seventy-two thousand, six hundred eighty-seven".