78122483 has 4 divisors (see below), whose sum is σ = 79192728. Its totient is φ = 77052240.

The previous prime is 78122479. The next prime is 78122521. The reversal of 78122483 is 38422187.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78122483 - 2² = 78122479 is a prime.

It is a super-2 number, since 2×78122483² = 12206244700170578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78122183) 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 3 ways as a sum of consecutive naturals, for example, 535013 + ... + 535158.

It is an arithmetic number, because the mean of its divisors is an integer number (19798182).

Almost surely, 2^78122483 is an apocalyptic number.

78122483 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

78122483 is a deficient number, since it is larger than the sum of its proper divisors (1070245).

78122483 is a wasteful number, since it uses less digits than its factorization.

78122483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070244.

The product of its digits is 21504, while the sum is 35.

The square root of 78122483 is about 8838.6923806636. The cubic root of 78122483 is about 427.4893956764.

The spelling of 78122483 in words is "seventy-eight million, one hundred twenty-two thousand, four hundred eighty-three".