473522157881977 has 2 divisors, whose sum is σ = 473522157881978. Its totient is φ = 473522157881976.

The previous prime is 473522157881959. The next prime is 473522157882019. The reversal of 473522157881977 is 779188751225374.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309522656681536 + 163999501200441 = 17593256^2 + 12806229^2 .

It is a cyclic number.

It is not a de Polignac number, because 473522157881977 - 2³¹ = 473520010398329 is a prime.

It is a super-2 number, since 2×473522157881977² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (473522157881917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236761078940988 + 236761078940989.

It is an arithmetic number, because the mean of its divisors is an integer number (236761078940989).

Almost surely, 2^{473522157881977} is an apocalyptic number.

It is an amenable number.

473522157881977 is a deficient number, since it is larger than the sum of its proper divisors (1).

473522157881977 is an equidigital number, since it uses as much as digits as its factorization.

473522157881977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1659571200, while the sum is 76.

The spelling of 473522157881977 in words is "four hundred seventy-three trillion, five hundred twenty-two billion, one hundred fifty-seven million, eight hundred eighty-one thousand, nine hundred seventy-seven".