7077817648 has 20 divisors (see below), whose sum is σ = 14959933128. Its totient is φ = 3217189760.

The previous prime is 7077817639. The next prime is 7077817651. The reversal of 7077817648 is 8467187707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20107261 + ... + 20107612.

Almost surely, 2^7077817648 is an apocalyptic number.

It is an amenable number.

7077817648 is an abundant number, since it is smaller than the sum of its proper divisors (7882115480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7077817648 is a wasteful number, since it uses less digits than its factorization.

7077817648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40214892 (or 40214886 counting only the distinct ones).

The product of its (nonzero) digits is 3687936, while the sum is 55.

The square root of 7077817648 is about 84129.7667178508. The cubic root of 7077817648 is about 1919.9936385785.

The spelling of 7077817648 in words is "seven billion, seventy-seven million, eight hundred seventeen thousand, six hundred forty-eight".