28654091854 has 4 divisors (see below), whose sum is σ = 42981137784. Its totient is φ = 14327045926.

The previous prime is 28654091831. The next prime is 28654091867. The reversal of 28654091854 is 45819045682.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7163522962 + ... + 7163522965.

It is an arithmetic number, because the mean of its divisors is an integer number (10745284446).

Almost surely, 2^28654091854 is an apocalyptic number.

28654091854 is a deficient number, since it is larger than the sum of its proper divisors (14327045930).

28654091854 is a wasteful number, since it uses less digits than its factorization.

28654091854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14327045929.

The product of its (nonzero) digits is 2764800, while the sum is 52.

The spelling of 28654091854 in words is "twenty-eight billion, six hundred fifty-four million, ninety-one thousand, eight hundred fifty-four".