42761378067986 has 16 divisors (see below), whose sum is σ = 68354913325824. Its totient is φ = 20015964201024.

The previous prime is 42761378067983. The next prime is 42761378068039. The reversal of 42761378067986 is 68976087316724.

It is not an unprimeable number, because it can be changed into a prime (42761378067983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9889308215 + ... + 9889312538.

It is an arithmetic number, because the mean of its divisors is an integer number (4272182082864).

Almost surely, 2^{42761378067986} is an apocalyptic number.

42761378067986 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42761378067986 is a deficient number, since it is larger than the sum of its proper divisors (25593535257838).

42761378067986 is a wasteful number, since it uses less digits than its factorization.

42761378067986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19778620825.

The product of its (nonzero) digits is 1024192512, while the sum is 74.

The spelling of 42761378067986 in words is "forty-two trillion, seven hundred sixty-one billion, three hundred seventy-eight million, sixty-seven thousand, nine hundred eighty-six".