85978330346 has 16 divisors (see below), whose sum is σ = 132468829920. Its totient is φ = 41822329680.

The previous prime is 85978330343. The next prime is 85978330367. The reversal of 85978330346 is 64303387958.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 85978330291 and 85978330300.

It is not an unprimeable number, because it can be changed into a prime (85978330343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602345 + ... + 731283.

It is an arithmetic number, because the mean of its divisors is an integer number (8279301870).

Almost surely, 2^85978330346 is an apocalyptic number.

85978330346 is a deficient number, since it is larger than the sum of its proper divisors (46490499574).

85978330346 is a wasteful number, since it uses less digits than its factorization.

85978330346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137989.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 85978330346 in words is "eighty-five billion, nine hundred seventy-eight million, three hundred thirty thousand, three hundred forty-six".