84721160381 has 16 divisors (see below), whose sum is σ = 99567256320. Its totient is φ = 71069891520.

The previous prime is 84721160347. The next prime is 84721160383. The reversal of 84721160381 is 18306112748.

It is a cyclic number.

It is not a de Polignac number, because 84721160381 - 2⁶ = 84721160317 is a prime.

It is a super-2 number, since 2×84721160381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84721160383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314156 + ... + 517818.

It is an arithmetic number, because the mean of its divisors is an integer number (6222953520).

Almost surely, 2^84721160381 is an apocalyptic number.

It is an amenable number.

84721160381 is a deficient number, since it is larger than the sum of its proper divisors (14846095939).

84721160381 is a wasteful number, since it uses less digits than its factorization.

84721160381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206596.

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 84721160381 in words is "eighty-four billion, seven hundred twenty-one million, one hundred sixty thousand, three hundred eighty-one".