8906697397 has 8 divisors (see below), whose sum is σ = 9599287320. Its totient is φ = 8215173120.

The previous prime is 8906697383. The next prime is 8906697463. The reversal of 8906697397 is 7937966098.

It can be written as a sum of positive squares in 4 ways, for example, as 3076516 + 8903620881 = 1754^2 + 94359^2 .

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 8906697397 - 2⁷ = 8906697269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8906697367) 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, 249004 + ... + 282517.

It is an arithmetic number, because the mean of its divisors is an integer number (1199910915).

Almost surely, 2^8906697397 is an apocalyptic number.

It is an amenable number.

8906697397 is a deficient number, since it is larger than the sum of its proper divisors (692589923).

8906697397 is a wasteful number, since it uses less digits than its factorization.

8906697397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532823.

The product of its (nonzero) digits is 30862944, while the sum is 64.

The square root of 8906697397 is about 94375.3007783286. The cubic root of 8906697397 is about 2072.8707938645.

The spelling of 8906697397 in words is "eight billion, nine hundred six million, six hundred ninety-seven thousand, three hundred ninety-seven".