84621248785371 has 12 divisors (see below), whose sum is σ = 115960162694712. Its totient is φ = 54889458668928.

The previous prime is 84621248785357. The next prime is 84621248785397. The reversal of 84621248785371 is 17358784212648.

It is not a de Polignac number, because 84621248785371 - 2²² = 84621244591067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84621248785571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10302071470 + ... + 10302079683.

It is an arithmetic number, because the mean of its divisors is an integer number (9663346891226).

Almost surely, 2^{84621248785371} is an apocalyptic number.

84621248785371 is a deficient number, since it is larger than the sum of its proper divisors (31338913909341).

84621248785371 is a wasteful number, since it uses less digits than its factorization.

84621248785371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20604151230 (or 20604151193 counting only the distinct ones).

The product of its digits is 144506880, while the sum is 66.

The spelling of 84621248785371 in words is "eighty-four trillion, six hundred twenty-one billion, two hundred forty-eight million, seven hundred eighty-five thousand, three hundred seventy-one".