84770085554 has 24 divisors (see below), whose sum is σ = 161361983088. Its totient is φ = 33027305640.

The previous prime is 84770085553. The next prime is 84770085611. The reversal of 84770085554 is 45558007748.

It is a junction number, because it is equal to n+sod(n) for n = 84770085496 and 84770085505.

It is not an unprimeable number, because it can be changed into a prime (84770085553) 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, 39317144 + ... + 39319299.

It is an arithmetic number, because the mean of its divisors is an integer number (6723415962).

Almost surely, 2^84770085554 is an apocalyptic number.

84770085554 is a deficient number, since it is larger than the sum of its proper divisors (76591897534).

84770085554 is a wasteful number, since it uses less digits than its factorization.

84770085554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78636470 (or 78636463 counting only the distinct ones).

The product of its (nonzero) digits is 6272000, while the sum is 53.

The spelling of 84770085554 in words is "eighty-four billion, seven hundred seventy million, eighty-five thousand, five hundred fifty-four".