83277764 has 12 divisors (see below), whose sum is σ = 154308924. Its totient is φ = 39189504.

The previous prime is 83277757. The next prime is 83277767. The reversal of 83277764 is 46777238.

It can be written as a sum of positive squares in 2 ways, for example, as 22562500 + 60715264 = 4750^2 + 7792^2 .

It is not an unprimeable number, because it can be changed into a prime (83277767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612269 + ... + 612404.

It is an arithmetic number, because the mean of its divisors is an integer number (12859077).

Almost surely, 2^83277764 is an apocalyptic number.

It is an amenable number.

83277764 is a deficient number, since it is larger than the sum of its proper divisors (71031160).

83277764 is a wasteful number, since it uses less digits than its factorization.

83277764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224694 (or 1224692 counting only the distinct ones).

The product of its digits is 395136, while the sum is 44.

The square root of 83277764 is about 9125.6651264442. The cubic root of 83277764 is about 436.6931222115.

The spelling of 83277764 in words is "eighty-three million, two hundred seventy-seven thousand, seven hundred sixty-four".