7690549987 has 2 divisors, whose sum is σ = 7690549988. Its totient is φ = 7690549986.

The previous prime is 7690549961. The next prime is 7690550003. The reversal of 7690549987 is 7899450967.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7690549987 - 2¹⁹ = 7690025699 is a prime.

It is not a weakly prime, because it can be changed into another prime (7690549187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3845274993 + 3845274994.

It is an arithmetic number, because the mean of its divisors is an integer number (3845274994).

Almost surely, 2^7690549987 is an apocalyptic number.

7690549987 is a deficient number, since it is larger than the sum of its proper divisors (1).

7690549987 is an equidigital number, since it uses as much as digits as its factorization.

7690549987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34292160, while the sum is 64.

The square root of 7690549987 is about 87695.7808962324. The cubic root of 7690549987 is about 1973.8726664285.

The spelling of 7690549987 in words is "seven billion, six hundred ninety million, five hundred forty-nine thousand, nine hundred eighty-seven".