838495986120 has 96 divisors (see below), whose sum is σ = 2934735967800. Its totient is φ = 206399010816.

The previous prime is 838495986113. The next prime is 838495986121. The reversal of 838495986120 is 21689594838.

838495986120 is a `hidden beast` number, since 8 + 3 + 8 + 4 + 9 + 5 + 9 + 8 + 612 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 696847631076 + 141648355044 = 834774^2 + 376362^2 .

It is not an unprimeable number, because it can be changed into a prime (838495986121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89578225 + ... + 89587584.

Almost surely, 2^838495986120 is an apocalyptic number.

It is an amenable number.

838495986120 is an abundant number, since it is smaller than the sum of its proper divisors (2096239981680).

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

838495986120 is a wasteful number, since it uses less digits than its factorization.

838495986120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179165839 (or 179165832 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 838495986120 in words is "eight hundred thirty-eight billion, four hundred ninety-five million, nine hundred eighty-six thousand, one hundred twenty".