78826053744 has 80 divisors (see below), whose sum is σ = 236097388800. Its totient is φ = 25132941504.

The previous prime is 78826053743. The next prime is 78826053769. The reversal of 78826053744 is 44735062887.

78826053744 is a `hidden beast` number, since 7 + 8 + 8 + 2 + 60 + 537 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78826053743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3956754 + ... + 3976625.

It is an arithmetic number, because the mean of its divisors is an integer number (2951217360).

Almost surely, 2^78826053744 is an apocalyptic number.

It is an amenable number.

78826053744 is an abundant number, since it is smaller than the sum of its proper divisors (157271335056).

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

78826053744 is a wasteful number, since it uses less digits than its factorization.

78826053744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7933419 (or 7933407 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 78826053744 in words is "seventy-eight billion, eight hundred twenty-six million, fifty-three thousand, seven hundred forty-four".