84238431766 has 8 divisors (see below), whose sum is σ = 126359372160. Its totient is φ = 42118641048.

The previous prime is 84238431731. The next prime is 84238431791. The reversal of 84238431766 is 66713483248.

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

It is a super-2 number, since 2×84238431766² (a number of 23 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, 71926 + ... + 416713.

It is an arithmetic number, because the mean of its divisors is an integer number (15794921520).

Almost surely, 2^84238431766 is an apocalyptic number.

84238431766 is a deficient number, since it is larger than the sum of its proper divisors (42120940394).

84238431766 is a wasteful number, since it uses less digits than its factorization.

84238431766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574838.

The product of its digits is 4644864, while the sum is 52.

The spelling of 84238431766 in words is "eighty-four billion, two hundred thirty-eight million, four hundred thirty-one thousand, seven hundred sixty-six".