78123062 has 4 divisors (see below), whose sum is σ = 117184596. Its totient is φ = 39061530.

The previous prime is 78123061. The next prime is 78123077. The reversal of 78123062 is 26032187.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26032187 = 1489 ⋅17483.

It is a super-2 number, since 2×78123062² = 12206425632511688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78123061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19530764 + ... + 19530767.

It is an arithmetic number, because the mean of its divisors is an integer number (29296149).

Almost surely, 2^78123062 is an apocalyptic number.

78123062 is a deficient number, since it is larger than the sum of its proper divisors (39061534).

78123062 is a wasteful number, since it uses less digits than its factorization.

78123062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39061533.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 78123062 is about 8838.7251343166. The cubic root of 78123062 is about 427.4904517777.

The spelling of 78123062 in words is "seventy-eight million, one hundred twenty-three thousand, sixty-two".