7880954865 has 16 divisors (see below), whose sum is σ = 14410889088. Its totient is φ = 3602722176.

The previous prime is 7880954839. The next prime is 7880954869. The reversal of 7880954865 is 5684590887.

It is not a de Polignac number, because 7880954865 - 2⁶ = 7880954801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7880954799 and 7880954808.

It is not an unprimeable number, because it can be changed into a prime (7880954869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37528252 + ... + 37528461.

It is an arithmetic number, because the mean of its divisors is an integer number (900680568).

Almost surely, 2^7880954865 is an apocalyptic number.

It is an amenable number.

7880954865 is a deficient number, since it is larger than the sum of its proper divisors (6529934223).

7880954865 is a wasteful number, since it uses less digits than its factorization.

7880954865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75056728.

The product of its (nonzero) digits is 19353600, while the sum is 60.

The square root of 7880954865 is about 88774.7422694090. The cubic root of 7880954865 is about 1990.0299537590.

The spelling of 7880954865 in words is "seven billion, eight hundred eighty million, nine hundred fifty-four thousand, eight hundred sixty-five".