42878743567465 has 16 divisors (see below), whose sum is σ = 58328979105600. Its totient is φ = 29997760681152.

The previous prime is 42878743567423. The next prime is 42878743567493. The reversal of 42878743567465 is 56476534787824.

It is a cyclic number.

It is not a de Polignac number, because 42878743567465 - 2⁷ = 42878743567337 is a prime.

It is a super-2 number, since 2×42878743567465² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42878743567391 and 42878743567400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17359813975 + ... + 17359816444.

It is an arithmetic number, because the mean of its divisors is an integer number (3645561194100).

Almost surely, 2^{42878743567465} is an apocalyptic number.

It is an amenable number.

42878743567465 is a deficient number, since it is larger than the sum of its proper divisors (15450235538135).

42878743567465 is a wasteful number, since it uses less digits than its factorization.

42878743567465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34719630456.

The product of its digits is 7586611200, while the sum is 76.

The spelling of 42878743567465 in words is "forty-two trillion, eight hundred seventy-eight billion, seven hundred forty-three million, five hundred sixty-seven thousand, four hundred sixty-five".