84038257554 has 64 divisors (see below), whose sum is σ = 174275297280. Its totient is φ = 26988024960.

The previous prime is 84038257549. The next prime is 84038257571. The reversal of 84038257554 is 45575283048.

It is a junction number, because it is equal to n+sod(n) for n = 84038257497 and 84038257506.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66749377 + ... + 66750635.

It is an arithmetic number, because the mean of its divisors is an integer number (2723051520).

Almost surely, 2^84038257554 is an apocalyptic number.

84038257554 is an abundant number, since it is smaller than the sum of its proper divisors (90237039726).

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

84038257554 is a wasteful number, since it uses less digits than its factorization.

84038257554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615.

The product of its (nonzero) digits is 5376000, while the sum is 51.

The spelling of 84038257554 in words is "eighty-four billion, thirty-eight million, two hundred fifty-seven thousand, five hundred fifty-four".