8140477 has 4 divisors (see below), whose sum is σ = 8154496. Its totient is φ = 8126460.

The previous prime is 8140441. The next prime is 8140519. The reversal of 8140477 is 7740418.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8140477 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 (8140177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6099 + ... + 7312.

It is an arithmetic number, because the mean of its divisors is an integer number (2038624).

Almost surely, 2^8140477 is an apocalyptic number.

It is an amenable number.

8140477 is a deficient number, since it is larger than the sum of its proper divisors (14019).

8140477 is a wasteful number, since it uses less digits than its factorization.

8140477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14018.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 8140477 is about 2853.1521165196. The cubic root of 8140477 is about 201.1638557283.

The spelling of 8140477 in words is "eight million, one hundred forty thousand, four hundred seventy-seven".