911977045 has 8 divisors (see below), whose sum is σ = 1250711424. Its totient is φ = 625355664.

The previous prime is 911977043. The next prime is 911977061. The reversal of 911977045 is 540779119.

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

It is a cyclic number.

It is not a de Polignac number, because 911977045 - 2¹ = 911977043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 911976992 and 911977010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (911977043) 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 7 ways as a sum of consecutive naturals, for example, 13028209 + ... + 13028278.

It is an arithmetic number, because the mean of its divisors is an integer number (156338928).

Almost surely, 2^911977045 is an apocalyptic number.

It is an amenable number.

911977045 is a deficient number, since it is larger than the sum of its proper divisors (338734379).

911977045 is a wasteful number, since it uses less digits than its factorization.

911977045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26056499.

The product of its (nonzero) digits is 79380, while the sum is 43.

The square root of 911977045 is about 30198.9576806883. The cubic root of 911977045 is about 969.7533808148.

The spelling of 911977045 in words is "nine hundred eleven million, nine hundred seventy-seven thousand, forty-five".