47079777 has 8 divisors (see below), whose sum is σ = 66076960. Its totient is φ = 29734560.

The previous prime is 47079757. The next prime is 47079787. The reversal of 47079777 is 77797074.

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

It is not a de Polignac number, because 47079777 - 2⁶ = 47079713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47079707) 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, 412924 + ... + 413037.

It is an arithmetic number, because the mean of its divisors is an integer number (8259620).

Almost surely, 2^47079777 is an apocalyptic number.

It is an amenable number.

47079777 is a deficient number, since it is larger than the sum of its proper divisors (18997183).

47079777 is a wasteful number, since it uses less digits than its factorization.

47079777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825983.

The product of its (nonzero) digits is 605052, while the sum is 48.

The square root of 47079777 is about 6861.4704692216. The cubic root of 47079777 is about 361.0866779278.

The spelling of 47079777 in words is "forty-seven million, seventy-nine thousand, seven hundred seventy-seven".