7842727477 has 8 divisors (see below), whose sum is σ = 8446717664. Its totient is φ = 7238837808.

The previous prime is 7842727471. The next prime is 7842727499. The reversal of 7842727477 is 7747272487.

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

It is a cyclic number.

It is not a de Polignac number, because 7842727477 - 2¹⁵ = 7842694709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7842727471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242758 + ... + 273160.

It is an arithmetic number, because the mean of its divisors is an integer number (1055839708).

Almost surely, 2^7842727477 is an apocalyptic number.

It is an amenable number.

7842727477 is a deficient number, since it is larger than the sum of its proper divisors (603990187).

7842727477 is a wasteful number, since it uses less digits than its factorization.

7842727477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50259.

The product of its digits is 8605184, while the sum is 55.

The square root of 7842727477 is about 88559.1750018032. The cubic root of 7842727477 is about 1986.8071217524.

The spelling of 7842727477 in words is "seven billion, eight hundred forty-two million, seven hundred twenty-seven thousand, four hundred seventy-seven".