28723760429 has 32 divisors (see below), whose sum is σ = 35786150400. Its totient is φ = 22449312000.

The previous prime is 28723760393. The next prime is 28723760431. The reversal of 28723760429 is 92406732782.

It is a cyclic number.

It is not a de Polignac number, because 28723760429 - 2²⁴ = 28706983213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28723760479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2481347 + ... + 2492895.

It is an arithmetic number, because the mean of its divisors is an integer number (1118317200).

Almost surely, 2^28723760429 is an apocalyptic number.

It is an amenable number.

28723760429 is a deficient number, since it is larger than the sum of its proper divisors (7062389971).

28723760429 is a wasteful number, since it uses less digits than its factorization.

28723760429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11901.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 28723760429 in words is "twenty-eight billion, seven hundred twenty-three million, seven hundred sixty thousand, four hundred twenty-nine".