912151772 has 48 divisors (see below), whose sum is σ = 1923479040. Its totient is φ = 369738432.

The previous prime is 912151771. The next prime is 912151811. The reversal of 912151772 is 277151219.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912151771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470918 + ... + 472850.

It is an arithmetic number, because the mean of its divisors is an integer number (40072480).

Almost surely, 2^912151772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 912151772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (961739520).

912151772 is an abundant number, since it is smaller than the sum of its proper divisors (1011327268).

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

912151772 is a wasteful number, since it uses less digits than its factorization.

912151772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850 (or 2848 counting only the distinct ones).

The product of its digits is 8820, while the sum is 35.

The square root of 912151772 is about 30201.8504731084. The cubic root of 912151772 is about 969.8153090105.

The spelling of 912151772 in words is "nine hundred twelve million, one hundred fifty-one thousand, seven hundred seventy-two".