78053227 has 6 divisors (see below), whose sum is σ = 90796668. Its totient is φ = 66902724.

The previous prime is 78053207. The next prime is 78053233. The reversal of 78053227 is 72235087.

It is not a de Polignac number, because 78053227 - 2²³ = 69664619 is a prime.

It is a super-2 number, since 2×78053227² = 12184612490227058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78053192 and 78053201.

It is not an unprimeable number, because it can be changed into a prime (78053207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 796413 + ... + 796510.

It is an arithmetic number, because the mean of its divisors is an integer number (15132778).

Almost surely, 2^78053227 is an apocalyptic number.

78053227 is a deficient number, since it is larger than the sum of its proper divisors (12743441).

78053227 is a wasteful number, since it uses less digits than its factorization.

78053227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592937 (or 1592930 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 78053227 is about 8834.7737379064. The cubic root of 78053227 is about 427.3630344488.

The spelling of 78053227 in words is "seventy-eight million, fifty-three thousand, two hundred twenty-seven".