7680749927 has 4 divisors (see below), whose sum is σ = 8014695600. Its totient is φ = 7346804256.

The previous prime is 7680749899. The next prime is 7680749939. The reversal of 7680749927 is 7299470867.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7680749927 - 2³⁰ = 6607008103 is a prime.

It is a super-2 number, since 2×7680749927² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7680749987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166972802 + ... + 166972847.

It is an arithmetic number, because the mean of its divisors is an integer number (2003673900).

Almost surely, 2^7680749927 is an apocalyptic number.

7680749927 is a deficient number, since it is larger than the sum of its proper divisors (333945673).

7680749927 is a wasteful number, since it uses less digits than its factorization.

7680749927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333945672.

The product of its (nonzero) digits is 10668672, while the sum is 59.

The square root of 7680749927 is about 87639.8877623654. The cubic root of 7680749927 is about 1973.0338753959.

The spelling of 7680749927 in words is "seven billion, six hundred eighty million, seven hundred forty-nine thousand, nine hundred twenty-seven".