78263033 has 8 divisors (see below), whose sum is σ = 83937600. Its totient is φ = 72744048.

The previous prime is 78263027. The next prime is 78263041. The reversal of 78263033 is 33036287.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78263033 is a prime.

It is a super-2 number, since 2×78263033² = 12250204668718178, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (78263093) 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, 37853 + ... + 39866.

It is an arithmetic number, because the mean of its divisors is an integer number (10492200).

Almost surely, 2^78263033 is an apocalyptic number.

It is an amenable number.

78263033 is a deficient number, since it is larger than the sum of its proper divisors (5674567).

78263033 is a wasteful number, since it uses less digits than its factorization.

78263033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77791.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 78263033 is about 8846.6396445204. The cubic root of 78263033 is about 427.7456071882.

The spelling of 78263033 in words is "seventy-eight million, two hundred sixty-three thousand, thirty-three".