78297106 has 32 divisors (see below), whose sum is σ = 127059840. Its totient is φ = 36089856.

The previous prime is 78297091. The next prime is 78297179. The reversal of 78297106 is 60179287.

It is a super-2 number, since 2×78297106² = 12260873615950472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304530 + ... + 304786.

It is an arithmetic number, because the mean of its divisors is an integer number (3970620).

Almost surely, 2^78297106 is an apocalyptic number.

78297106 is a deficient number, since it is larger than the sum of its proper divisors (48762734).

78297106 is a wasteful number, since it uses less digits than its factorization.

78297106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 78297106 is about 8848.5651944256. The cubic root of 78297106 is about 427.8076733640.

The spelling of 78297106 in words is "seventy-eight million, two hundred ninety-seven thousand, one hundred six".