7791880948 has 12 divisors (see below), whose sum is σ = 13636659652. Its totient is φ = 3895692480.

The previous prime is 7791880939. The next prime is 7791881017. The reversal of 7791880948 is 8490881977.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6480572004 + 1311308944 = 80502^2 + 36212^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21058 + ... + 126598.

Almost surely, 2^7791880948 is an apocalyptic number.

It is an amenable number.

7791880948 is a deficient number, since it is larger than the sum of its proper divisors (5844778704).

7791880948 is a wasteful number, since it uses less digits than its factorization.

7791880948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124002 (or 124000 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 61.

The square root of 7791880948 is about 88271.6316151458. The cubic root of 7791880948 is about 1982.5041393953.

The spelling of 7791880948 in words is "seven billion, seven hundred ninety-one million, eight hundred eighty thousand, nine hundred forty-eight".