1477891216 has 20 divisors (see below), whose sum is σ = 2880565632. Its totient is φ = 734519456.

The previous prime is 1477891153. The next prime is 1477891223. The reversal of 1477891216 is 6121987741.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273880 + ... + 279223.

Almost surely, 2^1477891216 is an apocalyptic number.

1477891216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1477891216 is a deficient number, since it is larger than the sum of its proper divisors (1402674416).

1477891216 is a wasteful number, since it uses less digits than its factorization.

1477891216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553278 (or 553272 counting only the distinct ones).

The product of its digits is 169344, while the sum is 46.

The square root of 1477891216 is about 38443.3507384567. The cubic root of 1477891216 is about 1139.0623294016.

The spelling of 1477891216 in words is "one billion, four hundred seventy-seven million, eight hundred ninety-one thousand, two hundred sixteen".