78053259 has 16 divisors (see below), whose sum is σ = 106769664. Its totient is φ = 50700000.

The previous prime is 78053251. The next prime is 78053263. The reversal of 78053259 is 95235087.

It is not a de Polignac number, because 78053259 - 2³ = 78053251 is a prime.

It is a super-2 number, since 2×78053259² = 12184622481042162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78053251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22384 + ... + 25634.

It is an arithmetic number, because the mean of its divisors is an integer number (6673104).

Almost surely, 2^78053259 is an apocalyptic number.

78053259 is a deficient number, since it is larger than the sum of its proper divisors (28716405).

78053259 is a wasteful number, since it uses less digits than its factorization.

78053259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3458.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 78053259 is about 8834.7755489316. The cubic root of 78053259 is about 427.3630928517.

The spelling of 78053259 in words is "seventy-eight million, fifty-three thousand, two hundred fifty-nine".