28377677712 has 40 divisors (see below), whose sum is σ = 73431460800. Its totient is φ = 9443424640.

The previous prime is 28377677711. The next prime is 28377677747. The reversal of 28377677712 is 21777677382.

It is a super-2 number, since 2×28377677712² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28377677711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464739 + ... + 522242.

It is an arithmetic number, because the mean of its divisors is an integer number (1835786520).

Almost surely, 2^28377677712 is an apocalyptic number.

It is an amenable number.

28377677712 is an abundant number, since it is smaller than the sum of its proper divisors (45053783088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28377677712 is a wasteful number, since it uses less digits than its factorization.

28377677712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987591 (or 987585 counting only the distinct ones).

The product of its digits is 9680832, while the sum is 57.

The spelling of 28377677712 in words is "twenty-eight billion, three hundred seventy-seven million, six hundred seventy-seven thousand, seven hundred twelve".