1147677973 has 16 divisors (see below), whose sum is σ = 1330133616. Its totient is φ = 980720640.

The previous prime is 1147677911. The next prime is 1147677977. The reversal of 1147677973 is 3797767411.

It can be written as a sum of positive squares in 8 ways, for example, as 313219204 + 834458769 = 17698^2 + 28887^2 .

It is a cyclic number.

It is not a de Polignac number, because 1147677973 - 2¹³ = 1147669781 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1147677973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147677977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29086 + ... + 56047.

It is an arithmetic number, because the mean of its divisors is an integer number (83133351).

Almost surely, 2^1147677973 is an apocalyptic number.

1147677973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1147677973 is a deficient number, since it is larger than the sum of its proper divisors (182455643).

1147677973 is a wasteful number, since it uses less digits than its factorization.

1147677973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85224.

The product of its digits is 1555848, while the sum is 52.

The square root of 1147677973 is about 33877.3961956937. The cubic root of 1147677973 is about 1046.9839292169.

The spelling of 1147677973 in words is "one billion, one hundred forty-seven million, six hundred seventy-seven thousand, nine hundred seventy-three".