7758681049 has 8 divisors (see below), whose sum is σ = 9073275200. Its totient is φ = 6495639696.

The previous prime is 7758681037. The next prime is 7758681067. The reversal of 7758681049 is 9401868577.

7758681049 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7758681049 - 2⁹ = 7758680537 is a prime.

It is a super-2 number, since 2×7758681049² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7758681089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12887874 + ... + 12888475.

It is an arithmetic number, because the mean of its divisors is an integer number (1134159400).

Almost surely, 2^7758681049 is an apocalyptic number.

It is an amenable number.

7758681049 is a deficient number, since it is larger than the sum of its proper divisors (1314594151).

7758681049 is a wasteful number, since it uses less digits than its factorization.

7758681049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25776399.

The product of its (nonzero) digits is 3386880, while the sum is 55.

The square root of 7758681049 is about 88083.3755540738. The cubic root of 7758681049 is about 1979.6844248445.

The spelling of 7758681049 in words is "seven billion, seven hundred fifty-eight million, six hundred eighty-one thousand, forty-nine".