76401685386 has 48 divisors (see below), whose sum is σ = 178385800320. Its totient is φ = 23493019680.

The previous prime is 76401685363. The next prime is 76401685397. The reversal of 76401685386 is 68358610467.

76401685386 is a `hidden beast` number, since 7 + 6 + 40 + 1 + 68 + 538 + 6 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260091 + ... + 469521.

It is an arithmetic number, because the mean of its divisors is an integer number (3716370840).

Almost surely, 2^76401685386 is an apocalyptic number.

76401685386 is an abundant number, since it is smaller than the sum of its proper divisors (101984114934).

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

76401685386 is a wasteful number, since it uses less digits than its factorization.

76401685386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211011 (or 211008 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 76401685386 in words is "seventy-six billion, four hundred one million, six hundred eighty-five thousand, three hundred eighty-six".