7130657784 has 32 divisors (see below), whose sum is σ = 17834832720. Its totient is φ = 2375794176.

The previous prime is 7130657773. The next prime is 7130657791. The reversal of 7130657784 is 4877560317.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14017 + ... + 120240.

Almost surely, 2^7130657784 is an apocalyptic number.

It is an amenable number.

7130657784 is an abundant number, since it is smaller than the sum of its proper divisors (10704174936).

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

7130657784 is a wasteful number, since it uses less digits than its factorization.

7130657784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136479 (or 136475 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The square root of 7130657784 is about 84443.2222502197. Note that the first 4 decimals coincide. The cubic root of 7130657784 is about 1924.7597639372.

The spelling of 7130657784 in words is "seven billion, one hundred thirty million, six hundred fifty-seven thousand, seven hundred eighty-four".