7707904542 has 128 divisors (see below), whose sum is σ = 19486494720. Its totient is φ = 2241509760.

The previous prime is 7707904531. The next prime is 7707904571. The reversal of 7707904542 is 2454097077.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 931648 + ... + 939884.

It is an arithmetic number, because the mean of its divisors is an integer number (152238240).

Almost surely, 2^7707904542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7707904542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9743247360).

7707904542 is an abundant number, since it is smaller than the sum of its proper divisors (11778590178).

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

7707904542 is a wasteful number, since it uses less digits than its factorization.

7707904542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8335 (or 8329 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 7707904542 is about 87794.6726288105. The cubic root of 7707904542 is about 1975.3563031364.

The spelling of 7707904542 in words is "seven billion, seven hundred seven million, nine hundred four thousand, five hundred forty-two".