7887888054 has 80 divisors (see below), whose sum is σ = 17883558000. Its totient is φ = 2598422976.

The previous prime is 7887888017. The next prime is 7887888119. The reversal of 7887888054 is 4508887887.

It is a junction number, because it is equal to n+sod(n) for n = 7887887982 and 7887888000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5526889 + ... + 5528315.

It is an arithmetic number, because the mean of its divisors is an integer number (223544475).

Almost surely, 2^7887888054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7887888054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8941779000).

7887888054 is an abundant number, since it is smaller than the sum of its proper divisors (9995669946).

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

7887888054 is a wasteful number, since it uses less digits than its factorization.

7887888054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819 (or 1810 counting only the distinct ones).

The product of its (nonzero) digits is 32112640, while the sum is 63.

The square root of 7887888054 is about 88813.7830181780. The cubic root of 7887888054 is about 1990.6133521754.

The spelling of 7887888054 in words is "seven billion, eight hundred eighty-seven million, eight hundred eighty-eight thousand, fifty-four".