7850438117234 has 4 divisors (see below), whose sum is σ = 11775657175854. Its totient is φ = 3925219058616.

The previous prime is 7850438117191. The next prime is 7850438117239. The reversal of 7850438117234 is 4327118340587.

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., 4970469597025 + 2879968520209 = 2229455^2 + 1697047^2 .

It is not an unprimeable number, because it can be changed into a prime (7850438117239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1962609529307 + ... + 1962609529310.

Almost surely, 2^{7850438117234} is an apocalyptic number.

7850438117234 is a deficient number, since it is larger than the sum of its proper divisors (3925219058620).

7850438117234 is a wasteful number, since it uses less digits than its factorization.

7850438117234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3925219058619.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 7850438117234 in words is "seven trillion, eight hundred fifty billion, four hundred thirty-eight million, one hundred seventeen thousand, two hundred thirty-four".