42697388855 has 8 divisors (see below), whose sum is σ = 55894763664. Its totient is φ = 31052646400.

The previous prime is 42697388827. The next prime is 42697388861. The reversal of 42697388855 is 55888379624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42697388855 - 2⁸ = 42697388599 is a prime.

It is a super-2 number, since 2×42697388855² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42697388791 and 42697388800.

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, 388158026 + ... + 388158135.

It is an arithmetic number, because the mean of its divisors is an integer number (6986845458).

Almost surely, 2^42697388855 is an apocalyptic number.

42697388855 is a deficient number, since it is larger than the sum of its proper divisors (13197374809).

42697388855 is a wasteful number, since it uses less digits than its factorization.

42697388855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776316177.

The product of its digits is 116121600, while the sum is 65.

The spelling of 42697388855 in words is "forty-two billion, six hundred ninety-seven million, three hundred eighty-eight thousand, eight hundred fifty-five".