78271162 has 32 divisors (see below), whose sum is σ = 131134464. Its totient is φ = 34848000.

The previous prime is 78271153. The next prime is 78271163. The reversal of 78271162 is 26117287.

It is a happy number.

It is a super-2 number, since 2×78271162² = 12252749601660488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (78271163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78487 + ... + 79477.

It is an arithmetic number, because the mean of its divisors is an integer number (4097952).

Almost surely, 2^78271162 is an apocalyptic number.

78271162 is a deficient number, since it is larger than the sum of its proper divisors (52863302).

78271162 is a wasteful number, since it uses less digits than its factorization.

78271162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134.

The product of its digits is 9408, while the sum is 34.

The square root of 78271162 is about 8847.0990725774. The cubic root of 78271162 is about 427.7604163241.

The spelling of 78271162 in words is "seventy-eight million, two hundred seventy-one thousand, one hundred sixty-two".