47915679 has 12 divisors (see below), whose sum is σ = 74318424. Its totient is φ = 27380304.

The previous prime is 47915641. The next prime is 47915687. The reversal of 47915679 is 97651974.

It is a happy number.

It is not a de Polignac number, because 47915679 - 2¹⁹ = 47391391 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47915689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162832 + ... + 163125.

It is an arithmetic number, because the mean of its divisors is an integer number (6193202).

Almost surely, 2^47915679 is an apocalyptic number.

47915679 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

47915679 is a deficient number, since it is larger than the sum of its proper divisors (26402745).

47915679 is a wasteful number, since it uses less digits than its factorization.

47915679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325974 (or 325967 counting only the distinct ones).

The product of its digits is 476280, while the sum is 48.

The square root of 47915679 is about 6922.1152114076. The cubic root of 47915679 is about 363.2111862971.

The spelling of 47915679 in words is "forty-seven million, nine hundred fifteen thousand, six hundred seventy-nine".