78276453 has 8 divisors (see below), whose sum is σ = 104754816. Its totient is φ = 51991200.

The previous prime is 78276433. The next prime is 78276463. The reversal of 78276453 is 35467287.

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

It is not a de Polignac number, because 78276453 - 2⁹ = 78275941 is a prime.

It is a super-2 number, since 2×78276453² = 12254406188522418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78276433) 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, 47328 + ... + 48953.

It is an arithmetic number, because the mean of its divisors is an integer number (13094352).

Almost surely, 2^78276453 is an apocalyptic number.

It is an amenable number.

78276453 is a deficient number, since it is larger than the sum of its proper divisors (26478363).

78276453 is a wasteful number, since it uses less digits than its factorization.

78276453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96555.

The product of its digits is 282240, while the sum is 42.

The square root of 78276453 is about 8847.3980920946. The cubic root of 78276453 is about 427.7700547371.

The spelling of 78276453 in words is "seventy-eight million, two hundred seventy-six thousand, four hundred fifty-three".