42657197782 has 8 divisors (see below), whose sum is σ = 64415232000. Its totient is φ = 21185453784.

The previous prime is 42657197777. The next prime is 42657197833. The reversal of 42657197782 is 28779175624.

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

It is a super-2 number, since 2×42657197782² (a number of 22 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 3 ways as a sum of consecutive naturals, for example, 71572182 + ... + 71572777.

It is an arithmetic number, because the mean of its divisors is an integer number (8051904000).

Almost surely, 2^42657197782 is an apocalyptic number.

42657197782 is a deficient number, since it is larger than the sum of its proper divisors (21758034218).

42657197782 is a wasteful number, since it uses less digits than its factorization.

42657197782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143145110.

The product of its digits is 11854080, while the sum is 58.

The spelling of 42657197782 in words is "forty-two billion, six hundred fifty-seven million, one hundred ninety-seven thousand, seven hundred eighty-two".