146427887 has 2 divisors, whose sum is σ = 146427888. Its totient is φ = 146427886.

The previous prime is 146427863. The next prime is 146427893. The reversal of 146427887 is 788724641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146427887 - 2¹² = 146423791 is a prime.

It is a super-2 number, since 2×146427887² = 42882252182569538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146427847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73213943 + 73213944.

It is an arithmetic number, because the mean of its divisors is an integer number (73213944).

Almost surely, 2^146427887 is an apocalyptic number.

146427887 is a deficient number, since it is larger than the sum of its proper divisors (1).

146427887 is an equidigital number, since it uses as much as digits as its factorization.

146427887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 602112, while the sum is 47.

The square root of 146427887 is about 12100.7391096577. The cubic root of 146427887 is about 527.0776469959.

The spelling of 146427887 in words is "one hundred forty-six million, four hundred twenty-seven thousand, eight hundred eighty-seven".