7638903085 has 8 divisors (see below), whose sum is σ = 10000018656. Its totient is φ = 5555565840.

The previous prime is 7638903073. The next prime is 7638903101. The reversal of 7638903085 is 5803098367.

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

It is not a de Polignac number, because 7638903085 - 2⁵ = 7638903053 is a prime.

It is a Duffinian number.

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, 69444519 + ... + 69444628.

It is an arithmetic number, because the mean of its divisors is an integer number (1250002332).

Almost surely, 2^7638903085 is an apocalyptic number.

It is an amenable number.

7638903085 is a deficient number, since it is larger than the sum of its proper divisors (2361115571).

7638903085 is a wasteful number, since it uses less digits than its factorization.

7638903085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138889163.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 7638903085 is about 87400.8185602400. The cubic root of 7638903085 is about 1969.4441374493. Note that the first 3 decimals are identical.

The spelling of 7638903085 in words is "seven billion, six hundred thirty-eight million, nine hundred three thousand, eighty-five".