28762749092 has 24 divisors (see below), whose sum is σ = 62755089600. Its totient is φ = 11206265760.

The previous prime is 28762749091. The next prime is 28762749131. The reversal of 28762749092 is 29094726782.

It is not an unprimeable number, because it can be changed into a prime (28762749091) 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, 46692467 + ... + 46693082.

It is an arithmetic number, because the mean of its divisors is an integer number (2614795400).

Almost surely, 2^28762749092 is an apocalyptic number.

28762749092 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28762749092 is an abundant number, since it is smaller than the sum of its proper divisors (33992340508).

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

28762749092 is a wasteful number, since it uses less digits than its factorization.

28762749092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93385571 (or 93385569 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 28762749092 in words is "twenty-eight billion, seven hundred sixty-two million, seven hundred forty-nine thousand, ninety-two".