42878516315702 has 24 divisors (see below), whose sum is σ = 67901484137760. Its totient is φ = 20304075690800.

The previous prime is 42878516315681. The next prime is 42878516315731. The reversal of 42878516315702 is 20751361587824.

It is a super-2 number, since 2×42878516315702² (a number of 28 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 11 ways as a sum of consecutive naturals, for example, 200526302 + ... + 200740017.

It is an arithmetic number, because the mean of its divisors is an integer number (2829228505740).

Almost surely, 2^{42878516315702} is an apocalyptic number.

42878516315702 is a deficient number, since it is larger than the sum of its proper divisors (25022967822058).

42878516315702 is a wasteful number, since it uses less digits than its factorization.

42878516315702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401266468 (or 401266445 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 59.

The spelling of 42878516315702 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred sixteen million, three hundred fifteen thousand, seven hundred two".