28772954262 has 24 divisors (see below), whose sum is σ = 67136893824. Its totient is φ = 8853216624.

The previous prime is 28772954261. The next prime is 28772954297. The reversal of 28772954262 is 26245927782.

28772954262 is a `hidden beast` number, since 2 + 8 + 77 + 29 + 542 + 6 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 28772954199 and 28772954208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28772954261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61480438 + ... + 61480905.

It is an arithmetic number, because the mean of its divisors is an integer number (2797370576).

Almost surely, 2^28772954262 is an apocalyptic number.

28772954262 is an abundant number, since it is smaller than the sum of its proper divisors (38363939562).

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

28772954262 is a wasteful number, since it uses less digits than its factorization.

28772954262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122961364 (or 122961361 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 28772954262 in words is "twenty-eight billion, seven hundred seventy-two million, nine hundred fifty-four thousand, two hundred sixty-two".