8438830840870 has 128 divisors (see below), whose sum is σ = 15568920576000. Its totient is φ = 3292830807552.

The previous prime is 8438830840861. The next prime is 8438830840871. The reversal of 8438830840870 is 780480388348.

It is a junction number, because it is equal to n+sod(n) for n = 8438830840799 and 8438830840808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8438830840871) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13043014887 + ... + 13043015533.

It is an arithmetic number, because the mean of its divisors is an integer number (121632192000).

Almost surely, 2^{8438830840870} is an apocalyptic number.

8438830840870 is a deficient number, since it is larger than the sum of its proper divisors (7130089735130).

8438830840870 is a wasteful number, since it uses less digits than its factorization.

8438830840870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502.

The product of its (nonzero) digits is 33030144, while the sum is 61.

The spelling of 8438830840870 in words is "eight trillion, four hundred thirty-eight billion, eight hundred thirty million, eight hundred forty thousand, eight hundred seventy".