8791406406 has 24 divisors (see below), whose sum is σ = 19051907160. Its totient is φ = 2929874976.

The previous prime is 8791406389. The next prime is 8791406413. The reversal of 8791406406 is 6046041978.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46881 + ... + 140643.

It is an arithmetic number, because the mean of its divisors is an integer number (793829465).

Almost surely, 2^8791406406 is an apocalyptic number.

It is a pronic number, being equal to 93762×93763.

8791406406 is an abundant number, since it is smaller than the sum of its proper divisors (10260500754).

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

8791406406 is a wasteful number, since it uses less digits than its factorization.

8791406406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98980 (or 98977 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 8791406406 is about 93762.4999986668. The cubic root of 8791406406 is about 2063.8879668661.

The spelling of 8791406406 in words is "eight billion, seven hundred ninety-one million, four hundred six thousand, four hundred six".