78371126 has 4 divisors (see below), whose sum is σ = 117556692. Its totient is φ = 39185562.

The previous prime is 78371123. The next prime is 78371141. The reversal of 78371126 is 62117387.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62117387 = 641 ⋅96907.

It is a super-2 number, since 2×78371126² = 12284066781015752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78371123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19592780 + ... + 19592783.

It is an arithmetic number, because the mean of its divisors is an integer number (29389173).

Almost surely, 2^78371126 is an apocalyptic number.

78371126 is a deficient number, since it is larger than the sum of its proper divisors (39185566).

78371126 is a wasteful number, since it uses less digits than its factorization.

78371126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39185565.

The product of its digits is 14112, while the sum is 35.

The square root of 78371126 is about 8852.7468053706. The cubic root of 78371126 is about 427.9424435661.

The spelling of 78371126 in words is "seventy-eight million, three hundred seventy-one thousand, one hundred twenty-six".