207928379474 has 4 divisors (see below), whose sum is σ = 311892569214. Its totient is φ = 103964189736.

The previous prime is 207928379467. The next prime is 207928379479. The reversal of 207928379474 is 474973829702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 132646738849 + 75281640625 = 364207^2 + 274375^2 .

It is not an unprimeable number, because it can be changed into a prime (207928379479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51982094867 + ... + 51982094870.

Almost surely, 2^207928379474 is an apocalyptic number.

207928379474 is a deficient number, since it is larger than the sum of its proper divisors (103964189740).

207928379474 is a wasteful number, since it uses less digits than its factorization.

207928379474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103964189739.

The product of its (nonzero) digits is 42674688, while the sum is 62.

The spelling of 207928379474 in words is "two hundred seven billion, nine hundred twenty-eight million, three hundred seventy-nine thousand, four hundred seventy-four".