28941567631390 has 8 divisors (see below), whose sum is σ = 52094821736520. Its totient is φ = 11576627052552.

The previous prime is 28941567631357. The next prime is 28941567631393. The reversal of 28941567631390 is 9313676514982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28941567631390² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28941567631393) 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, 1447078381560 + ... + 1447078381579.

It is an arithmetic number, because the mean of its divisors is an integer number (6511852717065).

It is a 1-persistent number, because it is pandigital, but 2⋅28941567631390 = 57883135262780 is not.

Almost surely, 2^{28941567631390} is an apocalyptic number.

28941567631390 is a deficient number, since it is larger than the sum of its proper divisors (23153254105130).

28941567631390 is a wasteful number, since it uses less digits than its factorization.

28941567631390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894156763146.

The product of its (nonzero) digits is 58786560, while the sum is 64.

The spelling of 28941567631390 in words is "twenty-eight trillion, nine hundred forty-one billion, five hundred sixty-seven million, six hundred thirty-one thousand, three hundred ninety".