47196779 has 16 divisors (see below), whose sum is σ = 56993280. Its totient is φ = 38286216.

The previous prime is 47196767. The next prime is 47196791. The reversal of 47196779 is 97769174.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47196767) and next prime (47196791).

It is not a de Polignac number, because 47196779 - 2²⁰ = 46148203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47196739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47522 + ... + 48504.

It is an arithmetic number, because the mean of its divisors is an integer number (3562080).

Almost surely, 2^47196779 is an apocalyptic number.

47196779 is a deficient number, since it is larger than the sum of its proper divisors (9796501).

47196779 is an frugal number, since it uses more digits than its factorization.

47196779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1009 counting only the distinct ones).

The product of its digits is 666792, while the sum is 50.

The square root of 47196779 is about 6869.9911935897. The cubic root of 47196779 is about 361.3855529898.

The spelling of 47196779 in words is "forty-seven million, one hundred ninety-six thousand, seven hundred seventy-nine".