45972487277 has 2 divisors, whose sum is σ = 45972487278. Its totient is φ = 45972487276.

The previous prime is 45972487259. The next prime is 45972487349. The reversal of 45972487277 is 77278427954.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36519592201 + 9452895076 = 191101^2 + 97226^2 .

It is a cyclic number.

It is not a de Polignac number, because 45972487277 - 2³⁴ = 28792618093 is a prime.

It is a super-2 number, since 2×45972487277² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45972457277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22986243638 + 22986243639.

It is an arithmetic number, because the mean of its divisors is an integer number (22986243639).

Almost surely, 2^45972487277 is an apocalyptic number.

It is an amenable number.

45972487277 is a deficient number, since it is larger than the sum of its proper divisors (1).

45972487277 is an equidigital number, since it uses as much as digits as its factorization.

45972487277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55319040, while the sum is 62.

The spelling of 45972487277 in words is "forty-five billion, nine hundred seventy-two million, four hundred eighty-seven thousand, two hundred seventy-seven".