454161977 has 6 divisors (see below), whose sum is σ = 455280558. Its totient is φ = 453045824.

The previous prime is 454161971. The next prime is 454162039. The reversal of 454161977 is 779161454.

It can be written as a sum of positive squares in 3 ways, for example, as 20647936 + 433514041 = 4544^2 + 20821^2 .

It is not a de Polignac number, because 454161977 - 2¹² = 454157881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454161971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 380093 + ... + 381285.

It is an arithmetic number, because the mean of its divisors is an integer number (75880093).

Almost surely, 2^454161977 is an apocalyptic number.

It is an amenable number.

454161977 is a deficient number, since it is larger than the sum of its proper divisors (1118581).

454161977 is an frugal number, since it uses more digits than its factorization.

454161977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427 (or 1810 counting only the distinct ones).

The product of its digits is 211680, while the sum is 44.

The square root of 454161977 is about 21311.0763923365. The cubic root of 454161977 is about 768.6646767004.

The spelling of 454161977 in words is "four hundred fifty-four million, one hundred sixty-one thousand, nine hundred seventy-seven".