45077987 has 2 divisors, whose sum is σ = 45077988. Its totient is φ = 45077986.

The previous prime is 45077959. The next prime is 45077993. The reversal of 45077987 is 78977054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45077987 - 2¹² = 45073891 is a prime.

It is not a weakly prime, because it can be changed into another prime (45077917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22538993 + 22538994.

It is an arithmetic number, because the mean of its divisors is an integer number (22538994).

Almost surely, 2^45077987 is an apocalyptic number.

45077987 is a deficient number, since it is larger than the sum of its proper divisors (1).

45077987 is an equidigital number, since it uses as much as digits as its factorization.

45077987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 45077987 is about 6714.0142239945. The cubic root of 45077987 is about 355.8946870033.

It can be divided in two parts, 45077 and 987, that added together give a palindrome (46064).

The spelling of 45077987 in words is "forty-five million, seventy-seven thousand, nine hundred eighty-seven".