785039380146 has 64 divisors (see below), whose sum is σ = 1994239733760. Its totient is φ = 224241961680.

The previous prime is 785039380133. The next prime is 785039380171. The reversal of 785039380146 is 641083930587.

785039380146 is a `hidden beast` number, since 7 + 8 + 503 + 93 + 8 + 0 + 1 + 46 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 785039380092 and 785039380101.

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, 1301365 + ... + 1806551.

It is an arithmetic number, because the mean of its divisors is an integer number (31159995840).

Almost surely, 2^785039380146 is an apocalyptic number.

785039380146 is an abundant number, since it is smaller than the sum of its proper divisors (1209200353614).

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

785039380146 is a wasteful number, since it uses less digits than its factorization.

785039380146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509316 (or 509310 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 785039380146 in words is "seven hundred eighty-five billion, thirty-nine million, three hundred eighty thousand, one hundred forty-six".