78053066 has 16 divisors (see below), whose sum is σ = 144098304. Its totient is φ = 30878064.

The previous prime is 78053051. The next prime is 78053093. The reversal of 78053066 is 66035087.

It is a happy number.

It is a super-2 number, since 2×78053066² = 12184562224000712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214250 + ... + 214613.

It is an arithmetic number, because the mean of its divisors is an integer number (9006144).

Almost surely, 2^78053066 is an apocalyptic number.

78053066 is a deficient number, since it is larger than the sum of its proper divisors (66045238).

78053066 is a wasteful number, since it uses less digits than its factorization.

78053066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428885.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 78053066 is about 8834.7646261799. The cubic root of 78053066 is about 427.3627406087.

The spelling of 78053066 in words is "seventy-eight million, fifty-three thousand, sixty-six".