1047738477 has 32 divisors (see below), whose sum is σ = 1487808000. Its totient is φ = 654671360.

The previous prime is 1047738469. The next prime is 1047738491. The reversal of 1047738477 is 7748377401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1047738477 - 2³ = 1047738469 is a prime.

It is a super-3 number, since 3×1047738477³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047738427) 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, 851899 + ... + 853127.

It is an arithmetic number, because the mean of its divisors is an integer number (46494000).

Almost surely, 2^1047738477 is an apocalyptic number.

It is an amenable number.

1047738477 is a deficient number, since it is larger than the sum of its proper divisors (440069523).

1047738477 is a wasteful number, since it uses less digits than its factorization.

1047738477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541.

The product of its (nonzero) digits is 921984, while the sum is 48.

The square root of 1047738477 is about 32368.7886242287. The cubic root of 1047738477 is about 1015.6661168200. Note that the first 3 decimals are identical.

The spelling of 1047738477 in words is "one billion, forty-seven million, seven hundred thirty-eight thousand, four hundred seventy-seven".