1047451377 has 32 divisors (see below), whose sum is σ = 1673844480. Its totient is φ = 569963520.

The previous prime is 1047451369. The next prime is 1047451381. The reversal of 1047451377 is 7731547401.

It is not a de Polignac number, because 1047451377 - 2³ = 1047451369 is a prime.

It is a super-2 number, since 2×1047451377² = 2194308774358392258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1047453377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32677 + ... + 56237.

It is an arithmetic number, because the mean of its divisors is an integer number (52307640).

Almost surely, 2^1047451377 is an apocalyptic number.

It is an amenable number.

1047451377 is a deficient number, since it is larger than the sum of its proper divisors (626393103).

1047451377 is a wasteful number, since it uses less digits than its factorization.

1047451377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23673.

The product of its (nonzero) digits is 82320, while the sum is 39.

The square root of 1047451377 is about 32364.3534926932. The cubic root of 1047451377 is about 1015.5733378212.

Adding to 1047451377 its reverse (7731547401), we get a palindrome (8778998778).

The spelling of 1047451377 in words is "one billion, forty-seven million, four hundred fifty-one thousand, three hundred seventy-seven".