8904311973 has 12 divisors (see below), whose sum is σ = 12975606540. Its totient is φ = 5883674496.

The previous prime is 8904311971. The next prime is 8904311987. The reversal of 8904311973 is 3791134098.

It can be written as a sum of positive squares in 2 ways, for example, as 3800352609 + 5103959364 = 61647^2 + 71442^2 .

It is not a de Polignac number, because 8904311973 - 2¹ = 8904311971 is a prime.

It is a super-2 number, since 2×8904311973² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8904311971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4376718 + ... + 4378751.

It is an arithmetic number, because the mean of its divisors is an integer number (1081300545).

Almost surely, 2^8904311973 is an apocalyptic number.

It is an amenable number.

8904311973 is a deficient number, since it is larger than the sum of its proper divisors (4071294567).

8904311973 is a wasteful number, since it uses less digits than its factorization.

8904311973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8755588 (or 8755585 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 8904311973 is about 94362.6619643596. The cubic root of 8904311973 is about 2072.6857227500.

The spelling of 8904311973 in words is "eight billion, nine hundred four million, three hundred eleven thousand, nine hundred seventy-three".