7628860081 has 8 divisors (see below), whose sum is σ = 7730726400. Its totient is φ = 7527352800.

The previous prime is 7628860027. The next prime is 7628860111. The reversal of 7628860081 is 1800688267.

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

It is a cyclic number.

It is not a de Polignac number, because 7628860081 - 2⁹ = 7628859569 is a prime.

It is a super-2 number, since 2×7628860081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7628861081) 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, 46845 + ... + 132106.

It is an arithmetic number, because the mean of its divisors is an integer number (966340800).

Almost surely, 2^7628860081 is an apocalyptic number.

It is an amenable number.

7628860081 is a deficient number, since it is larger than the sum of its proper divisors (101866319).

7628860081 is a wasteful number, since it uses less digits than its factorization.

7628860081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179519.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 7628860081 is about 87343.3459457559. The cubic root of 7628860081 is about 1968.5806709951.

The spelling of 7628860081 in words is "seven billion, six hundred twenty-eight million, eight hundred sixty thousand, eighty-one".