8027772542 has 4 divisors (see below), whose sum is σ = 12041658816. Its totient is φ = 4013886270.

The previous prime is 8027772541. The next prime is 8027772553. The reversal of 8027772542 is 2452777208.

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

It is a junction number, because it is equal to n+sod(n) for n = 8027772493 and 8027772502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8027772541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006943134 + ... + 2006943137.

It is an arithmetic number, because the mean of its divisors is an integer number (3010414704).

Almost surely, 2^8027772542 is an apocalyptic number.

8027772542 is a deficient number, since it is larger than the sum of its proper divisors (4013886274).

8027772542 is a wasteful number, since it uses less digits than its factorization.

8027772542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013886273.

The product of its (nonzero) digits is 439040, while the sum is 44.

The square root of 8027772542 is about 89597.8378198938. The cubic root of 8027772542 is about 2002.3117054794.

The spelling of 8027772542 in words is "eight billion, twenty-seven million, seven hundred seventy-two thousand, five hundred forty-two".