47925979 has 2 divisors, whose sum is σ = 47925980. Its totient is φ = 47925978.

The previous prime is 47925973. The next prime is 47925991. The reversal of 47925979 is 97952974.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47925979 - 2¹⁵ = 47893211 is a prime.

It is not a weakly prime, because it can be changed into another prime (47925973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23962989 + 23962990.

It is an arithmetic number, because the mean of its divisors is an integer number (23962990).

Almost surely, 2^47925979 is an apocalyptic number.

47925979 is a deficient number, since it is larger than the sum of its proper divisors (1).

47925979 is an equidigital number, since it uses as much as digits as its factorization.

47925979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 52.

The square root of 47925979 is about 6922.8591636693. The cubic root of 47925979 is about 363.2372098401.

The spelling of 47925979 in words is "forty-seven million, nine hundred twenty-five thousand, nine hundred seventy-nine".