7847849054 has 4 divisors (see below), whose sum is σ = 11771773584. Its totient is φ = 3923924526.

The previous prime is 7847849041. The next prime is 7847849057. The reversal of 7847849054 is 4509487487.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4509487487 = 3919 ⋅1150673.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7847849057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1961962262 + ... + 1961962265.

It is an arithmetic number, because the mean of its divisors is an integer number (2942943396).

Almost surely, 2^7847849054 is an apocalyptic number.

7847849054 is a deficient number, since it is larger than the sum of its proper divisors (3923924530).

7847849054 is a wasteful number, since it uses less digits than its factorization.

7847849054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923924529.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The square root of 7847849054 is about 88588.0864112099. The cubic root of 7847849054 is about 1987.2395126303.

The spelling of 7847849054 in words is "seven billion, eight hundred forty-seven million, eight hundred forty-nine thousand, fifty-four".