28679371354 has 4 divisors (see below), whose sum is σ = 43019057034. Its totient is φ = 14339685676.

The previous prime is 28679371321. The next prime is 28679371367. The reversal of 28679371354 is 45317397682.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45317397682 = 2 ⋅22658698841.

It can be written as a sum of positive squares in only one way, i.e., 28603942129 + 75429225 = 169127^2 + 8685^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28679371295 and 28679371304.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7169842837 + ... + 7169842840.

Almost surely, 2^28679371354 is an apocalyptic number.

28679371354 is a deficient number, since it is larger than the sum of its proper divisors (14339685680).

28679371354 is a wasteful number, since it uses less digits than its factorization.

28679371354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14339685679.

The product of its digits is 7620480, while the sum is 55.

The spelling of 28679371354 in words is "twenty-eight billion, six hundred seventy-nine million, three hundred seventy-one thousand, three hundred fifty-four".