47862877 has 2 divisors, whose sum is σ = 47862878. Its totient is φ = 47862876.

The previous prime is 47862851. The next prime is 47862887. The reversal of 47862877 is 77826874.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47485881 + 376996 = 6891^2 + 614^2 .

It is a cyclic number.

It is not a de Polignac number, because 47862877 - 2¹⁹ = 47338589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47862877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47862817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23931438 + 23931439.

It is an arithmetic number, because the mean of its divisors is an integer number (23931439).

Almost surely, 2^47862877 is an apocalyptic number.

It is an amenable number.

47862877 is a deficient number, since it is larger than the sum of its proper divisors (1).

47862877 is an equidigital number, since it uses as much as digits as its factorization.

47862877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1053696, while the sum is 49.

The square root of 47862877 is about 6918.3001524941. The cubic root of 47862877 is about 363.0777204084.

The spelling of 47862877 in words is "forty-seven million, eight hundred sixty-two thousand, eight hundred seventy-seven".