42878514236207 has 16 divisors (see below), whose sum is σ = 46903956429792. Its totient is φ = 38957897911680.

The previous prime is 42878514236183. The next prime is 42878514236221. The reversal of 42878514236207 is 70263241587824.

It is a cyclic number.

It is not a de Polignac number, because 42878514236207 - 2¹² = 42878514232111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42878514236237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18821144 + ... + 20975997.

It is an arithmetic number, because the mean of its divisors is an integer number (2931497276862).

Almost surely, 2^{42878514236207} is an apocalyptic number.

42878514236207 is a deficient number, since it is larger than the sum of its proper divisors (4025442193585).

42878514236207 is a wasteful number, since it uses less digits than its factorization.

42878514236207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39798458.

The product of its (nonzero) digits is 36126720, while the sum is 59.

The spelling of 42878514236207 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred fourteen million, two hundred thirty-six thousand, two hundred seven".