912017897 has 8 divisors (see below), whose sum is σ = 1078248000. Its totient is φ = 754773264.

The previous prime is 912017881. The next prime is 912017927. The reversal of 912017897 is 798710219.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 912017897 - 2⁴ = 912017881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (912017837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2246147 + ... + 2246552.

It is an arithmetic number, because the mean of its divisors is an integer number (134781000).

Almost surely, 2^912017897 is an apocalyptic number.

It is an amenable number.

912017897 is a deficient number, since it is larger than the sum of its proper divisors (166230103).

912017897 is a wasteful number, since it uses less digits than its factorization.

912017897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492735.

The product of its (nonzero) digits is 63504, while the sum is 44.

The square root of 912017897 is about 30199.6340540742. The cubic root of 912017897 is about 969.7678606286.

The spelling of 912017897 in words is "nine hundred twelve million, seventeen thousand, eight hundred ninety-seven".