28037267961 has 8 divisors (see below), whose sum is σ = 37386338304. Its totient is φ = 18689854800.

The previous prime is 28037267959. The next prime is 28037268001. The reversal of 28037267961 is 16976273082.

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

It is not a de Polignac number, because 28037267961 - 2¹ = 28037267959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28037267911) 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, 374265 + ... + 442886.

It is an arithmetic number, because the mean of its divisors is an integer number (4673292288).

Almost surely, 2^28037267961 is an apocalyptic number.

It is an amenable number.

28037267961 is a deficient number, since it is larger than the sum of its proper divisors (9349070343).

28037267961 is a wasteful number, since it uses less digits than its factorization.

28037267961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828591.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 28037267961 in words is "twenty-eight billion, thirty-seven million, two hundred sixty-seven thousand, nine hundred sixty-one".