7690079521 has 2 divisors, whose sum is σ = 7690079522. Its totient is φ = 7690079520.

The previous prime is 7690079503. The next prime is 7690079539. The reversal of 7690079521 is 1259700967.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (7690079503) and next prime (7690079539).

It can be written as a sum of positive squares in only one way, i.e., 7220750625 + 469328896 = 84975^2 + 21664^2 .

It is a cyclic number.

It is not a de Polignac number, because 7690079521 - 2¹⁷ = 7689948449 is a prime.

It is not a weakly prime, because it can be changed into another prime (7690079561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3845039760 + 3845039761.

It is an arithmetic number, because the mean of its divisors is an integer number (3845039761).

Almost surely, 2^7690079521 is an apocalyptic number.

It is an amenable number.

7690079521 is a deficient number, since it is larger than the sum of its proper divisors (1).

7690079521 is an equidigital number, since it uses as much as digits as its factorization.

7690079521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 46.

The square root of 7690079521 is about 87693.0984798690. The cubic root of 7690079521 is about 1973.8324153447.

The spelling of 7690079521 in words is "seven billion, six hundred ninety million, seventy-nine thousand, five hundred twenty-one".