45979847 has 2 divisors, whose sum is σ = 45979848. Its totient is φ = 45979846.

The previous prime is 45979823. The next prime is 45979861. The reversal of 45979847 is 74897954.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45979847 - 2¹⁶ = 45914311 is a prime.

It is a super-2 number, since 2×45979847² = 4228292660286818, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45979147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22989923 + 22989924.

It is an arithmetic number, because the mean of its divisors is an integer number (22989924).

Almost surely, 2^45979847 is an apocalyptic number.

45979847 is a deficient number, since it is larger than the sum of its proper divisors (1).

45979847 is an equidigital number, since it uses as much as digits as its factorization.

45979847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 53.

The square root of 45979847 is about 6780.8441214940. The cubic root of 45979847 is about 358.2524539773.

The spelling of 45979847 in words is "forty-five million, nine hundred seventy-nine thousand, eight hundred forty-seven".