7702872961 has 24 divisors (see below), whose sum is σ = 9342673920. Its totient is φ = 6324448032.

The previous prime is 7702872953. The next prime is 7702872979. The reversal of 7702872961 is 1692782077.

It is not a de Polignac number, because 7702872961 - 2³ = 7702872953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7702872361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159126 + ... + 201808.

It is an arithmetic number, because the mean of its divisors is an integer number (389278080).

Almost surely, 2^7702872961 is an apocalyptic number.

It is an amenable number.

7702872961 is a deficient number, since it is larger than the sum of its proper divisors (1639800959).

7702872961 is a wasteful number, since it uses less digits than its factorization.

7702872961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42853 (or 42846 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 49.

The square root of 7702872961 is about 87766.0125618112. The cubic root of 7702872961 is about 1974.9263839249.

The spelling of 7702872961 in words is "seven billion, seven hundred two million, eight hundred seventy-two thousand, nine hundred sixty-one".