46977839 has 2 divisors, whose sum is σ = 46977840. Its totient is φ = 46977838.

The previous prime is 46977811. The next prime is 46977871. The reversal of 46977839 is 93877964.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46977839 - 2¹² = 46973743 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46977439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23488919 + 23488920.

It is an arithmetic number, because the mean of its divisors is an integer number (23488920).

Almost surely, 2^46977839 is an apocalyptic number.

46977839 is a deficient number, since it is larger than the sum of its proper divisors (1).

46977839 is an equidigital number, since it uses as much as digits as its factorization.

46977839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 53.

The square root of 46977839 is about 6854.0381527972. The cubic root of 46977839 is about 360.8258791006.

The spelling of 46977839 in words is "forty-six million, nine hundred seventy-seven thousand, eight hundred thirty-nine".