7755813428 has 12 divisors (see below), whose sum is σ = 14806552992. Its totient is φ = 3525369720.

The previous prime is 7755813413. The next prime is 7755813431. The reversal of 7755813428 is 8243185577.

It is a super-2 number, since 2×7755813428² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88134200 + ... + 88134287.

It is an arithmetic number, because the mean of its divisors is an integer number (1233879416).

Almost surely, 2^7755813428 is an apocalyptic number.

It is an amenable number.

7755813428 is a deficient number, since it is larger than the sum of its proper divisors (7050739564).

7755813428 is a wasteful number, since it uses less digits than its factorization.

7755813428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176268502 (or 176268500 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 50.

The square root of 7755813428 is about 88067.0961710445. The cubic root of 7755813428 is about 1979.4404966069.

The spelling of 7755813428 in words is "seven billion, seven hundred fifty-five million, eight hundred thirteen thousand, four hundred twenty-eight".