867925044 has 108 divisors (see below), whose sum is σ = 2646780864. Its totient is φ = 247964976.

The previous prime is 867925027. The next prime is 867925049. The reversal of 867925044 is 440529768.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (108).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867925049) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 38517 + ... + 56739.

Almost surely, 2^867925044 is an apocalyptic number.

867925044 is a gapful number since it is divisible by the number (84) 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 867925044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1323390432).

867925044 is an abundant number, since it is smaller than the sum of its proper divisors (1778855820).

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

867925044 is a wasteful number, since it uses less digits than its factorization.

867925044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18256 (or 18235 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 867925044 is about 29460.5676116398. The cubic root of 867925044 is about 953.8807255653.

The spelling of 867925044 in words is "eight hundred sixty-seven million, nine hundred twenty-five thousand, forty-four".