378581501925 has 108 divisors (see below), whose sum is σ = 757337446944. Its totient is φ = 179283787200.

The previous prime is 378581501911. The next prime is 378581501927. The reversal of 378581501925 is 529105185873.

378581501925 is a `hidden beast` number, since 3 + 7 + 8 + 581 + 50 + 1 + 9 + 2 + 5 = 666.

It is not a de Polignac number, because 378581501925 - 2⁹ = 378581501413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378581501927) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 4534912 + ... + 4617638.

It is an arithmetic number, because the mean of its divisors is an integer number (7012383768).

Almost surely, 2^378581501925 is an apocalyptic number.

It is an amenable number.

378581501925 is an abundant number, since it is smaller than the sum of its proper divisors (378755945019).

378581501925 is a wasteful number, since it uses less digits than its factorization.

378581501925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82840 (or 82789 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 54.

The spelling of 378581501925 in words is "three hundred seventy-eight billion, five hundred eighty-one million, five hundred one thousand, nine hundred twenty-five".