7690848921 has 48 divisors (see below), whose sum is σ = 13251288960. Its totient is φ = 4206608640.

The previous prime is 7690848917. The next prime is 7690848947. The reversal of 7690848921 is 1298480967.

7690848921 is a `hidden beast` number, since 76 + 90 + 8 + 489 + 2 + 1 = 666.

7690848921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7690848921 - 2² = 7690848917 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7690848911) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108810 + ... + 164988.

It is an arithmetic number, because the mean of its divisors is an integer number (276068520).

Almost surely, 2^7690848921 is an apocalyptic number.

It is an amenable number.

7690848921 is a deficient number, since it is larger than the sum of its proper divisors (5560440039).

7690848921 is a wasteful number, since it uses less digits than its factorization.

7690848921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56286 (or 56283 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 7690848921 is about 87697.4852604110. The cubic root of 7690848921 is about 1973.8982411060.

The spelling of 7690848921 in words is "seven billion, six hundred ninety million, eight hundred forty-eight thousand, nine hundred twenty-one".