28932552077908 has 6 divisors (see below), whose sum is σ = 50631966136346. Its totient is φ = 14466276038952.

The previous prime is 28932552077879. The next prime is 28932552077911. The reversal of 28932552077908 is 80977025523982.

It can be written as a sum of positive squares in only one way, i.e., 23566092578064 + 5366459499844 = 4854492^2 + 2316562^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3616569009735 + ... + 3616569009742.

Almost surely, 2^{28932552077908} is an apocalyptic number.

It is an amenable number.

28932552077908 is a deficient number, since it is larger than the sum of its proper divisors (21699414058438).

28932552077908 is a wasteful number, since it uses less digits than its factorization.

28932552077908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233138019481 (or 7233138019479 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 67.

The spelling of 28932552077908 in words is "twenty-eight trillion, nine hundred thirty-two billion, five hundred fifty-two million, seventy-seven thousand, nine hundred eight".