6925538880 has 1008 divisors, whose sum is σ = 29236806144. Its totient is φ = 1552711680.

The previous prime is 6925538861. The next prime is 6925538887. The reversal of 6925538880 is 888355296.

6925538880 is a `hidden beast` number, since 6 + 9 + 2 + 553 + 8 + 8 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (6925538887) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 223404465 + ... + 223404495.

It is an arithmetic number, because the mean of its divisors is an integer number (29004768).

Almost surely, 2^6925538880 is an apocalyptic number.

6925538880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6925538880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14618403072).

6925538880 is an abundant number, since it is smaller than the sum of its proper divisors (22311267264).

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

6925538880 is a wasteful number, since it uses less digits than its factorization.

6925538880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The square root of 6925538880 is about 83219.8226385998. The cubic root of 6925538880 is about 1906.1241799174.

The spelling of 6925538880 in words is "six billion, nine hundred twenty-five million, five hundred thirty-eight thousand, eight hundred eighty".