78112967 has 2 divisors, whose sum is σ = 78112968. Its totient is φ = 78112966.

The previous prime is 78112949. The next prime is 78112973. The reversal of 78112967 is 76921187.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78112967 - 2¹⁴ = 78096583 is a prime.

It is a super-2 number, since 2×78112967² = 12203271227086178, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78112987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39056483 + 39056484.

It is an arithmetic number, because the mean of its divisors is an integer number (39056484).

Almost surely, 2^78112967 is an apocalyptic number.

78112967 is a deficient number, since it is larger than the sum of its proper divisors (1).

78112967 is an equidigital number, since it uses as much as digits as its factorization.

78112967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 41.

The square root of 78112967 is about 8838.1540493476. The cubic root of 78112967 is about 427.4720376590.

The spelling of 78112967 in words is "seventy-eight million, one hundred twelve thousand, nine hundred sixty-seven".