84797973381 has 8 divisors (see below), whose sum is σ = 123342506784. Its totient is φ = 51392711120.

The previous prime is 84797973349. The next prime is 84797973409. The reversal of 84797973381 is 18337979748.

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

It is a cyclic number.

It is not a de Polignac number, because 84797973381 - 2⁵ = 84797973349 is a prime.

It is a super-2 number, since 2×84797973381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84797972381) 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, 1284817746 + ... + 1284817811.

It is an arithmetic number, because the mean of its divisors is an integer number (15417813348).

Almost surely, 2^84797973381 is an apocalyptic number.

It is an amenable number.

84797973381 is a deficient number, since it is larger than the sum of its proper divisors (38544533403).

84797973381 is a wasteful number, since it uses less digits than its factorization.

84797973381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569635571.

The product of its digits is 64012032, while the sum is 66.

The spelling of 84797973381 in words is "eighty-four billion, seven hundred ninety-seven million, nine hundred seventy-three thousand, three hundred eighty-one".