77023028549376 has 864 divisors, whose sum is σ = 285962902149120. Its totient is φ = 20269355065344.

The previous prime is 77023028549317. The next prime is 77023028549443. The reversal of 77023028549376 is 67394582032077.

77023028549376 is a `hidden beast` number, since 7 + 7 + 0 + 2 + 30 + 28 + 549 + 37 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2038544181 + ... + 2038581963.

Almost surely, 2^{77023028549376} 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 77023028549376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142981451074560).

77023028549376 is an abundant number, since it is smaller than the sum of its proper divisors (208939873599744).

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

77023028549376 is a wasteful number, since it uses less digits than its factorization.

77023028549376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38298 (or 38271 counting only the distinct ones).

The product of its (nonzero) digits is 106686720, while the sum is 63.

The spelling of 77023028549376 in words is "seventy-seven trillion, twenty-three billion, twenty-eight million, five hundred forty-nine thousand, three hundred seventy-six".