84351908356 has 27 divisors (see below), whose sum is σ = 155814389031. Its totient is φ = 39950939304.

The previous prime is 84351908351. The next prime is 84351908423. The reversal of 84351908356 is 65380915348.

The square root of 84351908356 is 290434.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84351908351) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11032671 + ... + 11040313.

Almost surely, 2^84351908356 is an apocalyptic number.

84351908356 is the 290434-th square number.

It is an amenable number.

84351908356 is a deficient number, since it is larger than the sum of its proper divisors (71462480675).

84351908356 is an frugal number, since it uses more digits than its factorization.

84351908356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15328 (or 7664 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 84351908356 in words is "eighty-four billion, three hundred fifty-one million, nine hundred eight thousand, three hundred fifty-six".