84794081620 has 12 divisors (see below), whose sum is σ = 178067571444. Its totient is φ = 33917632640.

The previous prime is 84794081611. The next prime is 84794081629. The reversal of 84794081620 is 2618049748.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84794081611) and next prime (84794081629).

It can be written as a sum of positive squares in 2 ways, for example, as 16786830096 + 68007251524 = 129564^2 + 260782^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84794081629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2119852021 + ... + 2119852060.

It is an arithmetic number, because the mean of its divisors is an integer number (14838964287).

Almost surely, 2^84794081620 is an apocalyptic number.

It is an amenable number.

84794081620 is an abundant number, since it is smaller than the sum of its proper divisors (93273489824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84794081620 is a wasteful number, since it uses less digits than its factorization.

84794081620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239704090 (or 4239704088 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 84794081620 in words is "eighty-four billion, seven hundred ninety-four million, eighty-one thousand, six hundred twenty".