670235972378 has 32 divisors (see below), whose sum is σ = 1255806747648. Its totient is φ = 261626400000.

The previous prime is 670235972369. The next prime is 670235972381. The reversal of 670235972378 is 873279532076.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45413873 + ... + 45428628.

It is an arithmetic number, because the mean of its divisors is an integer number (39243960864).

Almost surely, 2^670235972378 is an apocalyptic number.

670235972378 is a deficient number, since it is larger than the sum of its proper divisors (585570775270).

670235972378 is a wasteful number, since it uses less digits than its factorization.

670235972378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90842558.

The product of its (nonzero) digits is 26671680, while the sum is 59.

The spelling of 670235972378 in words is "six hundred seventy billion, two hundred thirty-five million, nine hundred seventy-two thousand, three hundred seventy-eight".