47077679 has 4 divisors (see below), whose sum is σ = 51357480. Its totient is φ = 42797880.

The previous prime is 47077673. The next prime is 47077697. The reversal of 47077679 is 97677074.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47077679 - 2⁸ = 47077423 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 (47077673) 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, 2139884 + ... + 2139905.

It is an arithmetic number, because the mean of its divisors is an integer number (12839370).

Almost surely, 2^47077679 is an apocalyptic number.

47077679 is a deficient number, since it is larger than the sum of its proper divisors (4279801).

47077679 is a wasteful number, since it uses less digits than its factorization.

47077679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4279800.

The product of its (nonzero) digits is 518616, while the sum is 47.

The square root of 47077679 is about 6861.3175848375. The cubic root of 47077679 is about 361.0813141875.

The spelling of 47077679 in words is "forty-seven million, seventy-seven thousand, six hundred seventy-nine".