84028777392 has 360 divisors, whose sum is σ = 273041024256. Its totient is φ = 22160506368.

The previous prime is 84028777367. The next prime is 84028777411. The reversal of 84028777392 is 29377782048.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 45493813 + ... + 45495659.

Almost surely, 2^84028777392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84028777392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136520512128).

84028777392 is an abundant number, since it is smaller than the sum of its proper divisors (189012246864).

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

84028777392 is a wasteful number, since it uses less digits than its factorization.

84028777392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953 (or 1911 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 57.

The spelling of 84028777392 in words is "eighty-four billion, twenty-eight million, seven hundred seventy-seven thousand, three hundred ninety-two".