4778769342 has 16 divisors (see below), whose sum is σ = 9575889552. Its totient is φ = 1589864640.

The previous prime is 4778769313. The next prime is 4778769361. The reversal of 4778769342 is 2439678774.

It is a super-2 number, since 2×4778769342² = 45673272848078225928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761233 + ... + 767484.

It is an arithmetic number, because the mean of its divisors is an integer number (598493097).

Almost surely, 2^4778769342 is an apocalyptic number.

4778769342 is an abundant number, since it is smaller than the sum of its proper divisors (4797120210).

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

4778769342 is a wasteful number, since it uses less digits than its factorization.

4778769342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529243.

The product of its digits is 14224896, while the sum is 57.

The square root of 4778769342 is about 69128.6434265855. The cubic root of 4778769342 is about 1684.3746227992.

The spelling of 4778769342 in words is "four billion, seven hundred seventy-eight million, seven hundred sixty-nine thousand, three hundred forty-two".