33078952057 has 4 divisors (see below), whose sum is σ = 33371686260. Its totient is φ = 32786217856.

The previous prime is 33078952031. The next prime is 33078952099. The reversal of 33078952057 is 75025987033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75025987033 = 53 ⋅1415584661.

It can be written as a sum of positive squares in 2 ways, for example, as 10010202601 + 23068749456 = 100051^2 + 151884^2 .

It is a cyclic number.

It is not a de Polignac number, because 33078952057 - 2⁷ = 33078951929 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33078952057.

It is not an unprimeable number, because it can be changed into a prime (33078952007) 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, 146366932 + ... + 146367157.

It is an arithmetic number, because the mean of its divisors is an integer number (8342921565).

Almost surely, 2^33078952057 is an apocalyptic number.

It is an amenable number.

33078952057 is a deficient number, since it is larger than the sum of its proper divisors (292734203).

33078952057 is a wasteful number, since it uses less digits than its factorization.

33078952057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292734202.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 33078952057 in words is "thirty-three billion, seventy-eight million, nine hundred fifty-two thousand, fifty-seven".