7690548977 has 2 divisors, whose sum is σ = 7690548978. Its totient is φ = 7690548976.

The previous prime is 7690548973. The next prime is 7690549021. The reversal of 7690548977 is 7798450967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7673935201 + 16613776 = 87601^2 + 4076^2 .

It is an emirp because it is prime and its reverse (7798450967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7690548977 - 2² = 7690548973 is a prime.

It is not a weakly prime, because it can be changed into another prime (7690548973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3845274488 + 3845274489.

It is an arithmetic number, because the mean of its divisors is an integer number (3845274489).

Almost surely, 2^7690548977 is an apocalyptic number.

It is an amenable number.

7690548977 is a deficient number, since it is larger than the sum of its proper divisors (1).

7690548977 is an equidigital number, since it uses as much as digits as its factorization.

7690548977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26671680, while the sum is 62.

The square root of 7690548977 is about 87695.7751376884. The cubic root of 7690548977 is about 1973.8725800189.

The spelling of 7690548977 in words is "seven billion, six hundred ninety million, five hundred forty-eight thousand, nine hundred seventy-seven".