28636070401 has 8 divisors (see below), whose sum is σ = 29033593344. Its totient is φ = 28238689440.

The previous prime is 28636070399. The next prime is 28636070431. The reversal of 28636070401 is 10407063682.

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

It is a cyclic number.

It is not a de Polignac number, because 28636070401 - 2¹ = 28636070399 is a prime.

It is a super-2 number, since 2×28636070401² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28636070431) 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, 408996 + ... + 473866.

It is an arithmetic number, because the mean of its divisors is an integer number (3629199168).

Almost surely, 2^28636070401 is an apocalyptic number.

It is an amenable number.

28636070401 is a deficient number, since it is larger than the sum of its proper divisors (397522943).

28636070401 is an equidigital number, since it uses as much as digits as its factorization.

28636070401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70991.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 28636070401 in words is "twenty-eight billion, six hundred thirty-six million, seventy thousand, four hundred one".