2147916477 has 16 divisors (see below), whose sum is σ = 3309793920. Its totient is φ = 1213588992.

The previous prime is 2147916457. The next prime is 2147916509. The reversal of 2147916477 is 7746197412.

It is a happy number.

It is not a de Polignac number, because 2147916477 - 2¹² = 2147912381 is a prime.

It is a super-2 number, since 2×2147916477² = 9227090384336183058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147916457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572748 + ... + 576485.

It is an arithmetic number, because the mean of its divisors is an integer number (206862120).

Almost surely, 2^2147916477 is an apocalyptic number.

It is an amenable number.

2147916477 is a deficient number, since it is larger than the sum of its proper divisors (1161877443).

2147916477 is a wasteful number, since it uses less digits than its factorization.

2147916477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149332.

The product of its digits is 592704, while the sum is 48.

The square root of 2147916477 is about 46345.6198253945. The cubic root of 2147916477 is about 1290.2458271973.

The spelling of 2147916477 in words is "two billion, one hundred forty-seven million, nine hundred sixteen thousand, four hundred seventy-seven".