838028276146 has 4 divisors (see below), whose sum is σ = 1257042414222. Its totient is φ = 419014138072.

The previous prime is 838028276143. The next prime is 838028276213. The reversal of 838028276146 is 641672820838.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 437700004921 + 400328271225 = 661589^2 + 632715^2 .

It is a super-2 number, since 2×838028276146² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (838028276143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209507069035 + ... + 209507069038.

Almost surely, 2^838028276146 is an apocalyptic number.

838028276146 is a deficient number, since it is larger than the sum of its proper divisors (419014138076).

838028276146 is a wasteful number, since it uses less digits than its factorization.

838028276146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419014138075.

The product of its (nonzero) digits is 6193152, while the sum is 55.

The spelling of 838028276146 in words is "eight hundred thirty-eight billion, twenty-eight million, two hundred seventy-six thousand, one hundred forty-six".