83142125297278 has 16 divisors (see below), whose sum is σ = 128092195000224. Its totient is φ = 40444873987680.

The previous prime is 83142125297267. The next prime is 83142125297291. The reversal of 83142125297278 is 87279252124138.

It is a super-2 number, since 2×83142125297278² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35617053 + ... + 37879528.

It is an arithmetic number, because the mean of its divisors is an integer number (8005762187514).

Almost surely, 2^{83142125297278} is an apocalyptic number.

83142125297278 is a deficient number, since it is larger than the sum of its proper divisors (44950069702946).

83142125297278 is a wasteful number, since it uses less digits than its factorization.

83142125297278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73511907.

The product of its digits is 27095040, while the sum is 61.

The spelling of 83142125297278 in words is "eighty-three trillion, one hundred forty-two billion, one hundred twenty-five million, two hundred ninety-seven thousand, two hundred seventy-eight".