28377670554308 has 12 divisors (see below), whose sum is σ = 49678871058432. Its totient is φ = 14183707394760.

The previous prime is 28377670554301. The next prime is 28377670554371. The reversal of 28377670554308 is 80345507677382.

It is not an unprimeable number, because it can be changed into a prime (28377670554301) 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, 1281958148 + ... + 1281980283.

It is an arithmetic number, because the mean of its divisors is an integer number (4139905921536).

Almost surely, 2^{28377670554308} is an apocalyptic number.

It is an amenable number.

28377670554308 is a deficient number, since it is larger than the sum of its proper divisors (21301200504124).

28377670554308 is a wasteful number, since it uses less digits than its factorization.

28377670554308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563941202 (or 2563941200 counting only the distinct ones).

The product of its (nonzero) digits is 237081600, while the sum is 65.

The spelling of 28377670554308 in words is "twenty-eight trillion, three hundred seventy-seven billion, six hundred seventy million, five hundred fifty-four thousand, three hundred eight".