7738771142 has 8 divisors (see below), whose sum is σ = 11618741736. Its totient is φ = 3865857232.

The previous prime is 7738771109. The next prime is 7738771147. The reversal of 7738771142 is 2411778377.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7738771147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1761428 + ... + 1765815.

It is an arithmetic number, because the mean of its divisors is an integer number (1452342717).

Almost surely, 2^7738771142 is an apocalyptic number.

7738771142 is a deficient number, since it is larger than the sum of its proper divisors (3879970594).

7738771142 is a wasteful number, since it uses less digits than its factorization.

7738771142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528342.

The product of its digits is 460992, while the sum is 47.

The square root of 7738771142 is about 87970.2855627967. The cubic root of 7738771142 is about 1977.9895879750.

The spelling of 7738771142 in words is "seven billion, seven hundred thirty-eight million, seven hundred seventy-one thousand, one hundred forty-two".