46490477987 has 2 divisors, whose sum is σ = 46490477988. Its totient is φ = 46490477986.

The previous prime is 46490477981. The next prime is 46490478031. The reversal of 46490477987 is 78977409464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46490477987 - 2¹² = 46490473891 is a prime.

It is a super-2 number, since 2×46490477987² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (46490477981) 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, 23245238993 + 23245238994.

It is an arithmetic number, because the mean of its divisors is an integer number (23245238994).

Almost surely, 2^46490477987 is an apocalyptic number.

46490477987 is a deficient number, since it is larger than the sum of its proper divisors (1).

46490477987 is an equidigital number, since it uses as much as digits as its factorization.

46490477987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85349376, while the sum is 65.

The spelling of 46490477987 in words is "forty-six billion, four hundred ninety million, four hundred seventy-seven thousand, nine hundred eighty-seven".