7895488890 has 64 divisors (see below), whose sum is σ = 19631692800. Its totient is φ = 2030123520.

The previous prime is 7895488889. The next prime is 7895488897. The reversal of 7895488890 is 988845987.

It is a super-2 number, since 2×7895488890² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7895488897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242286 + ... + 272934.

It is an arithmetic number, because the mean of its divisors is an integer number (306745200).

Almost surely, 2^7895488890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7895488890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9815846400).

7895488890 is an abundant number, since it is smaller than the sum of its proper divisors (11736203910).

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

7895488890 is a wasteful number, since it uses less digits than its factorization.

7895488890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30967.

The product of its (nonzero) digits is 46448640, while the sum is 66.

The square root of 7895488890 is about 88856.5635729854. The cubic root of 7895488890 is about 1991.2525375620.

The spelling of 7895488890 in words is "seven billion, eight hundred ninety-five million, four hundred eighty-eight thousand, eight hundred ninety".