787223473 has 4 divisors (see below), whose sum is σ = 814369140. Its totient is φ = 760077808.

The previous prime is 787223443. The next prime is 787223477. The reversal of 787223473 is 374322787.

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

It can be written as a sum of positive squares in 2 ways, for example, as 417507489 + 369715984 = 20433^2 + 19228^2 .

It is a cyclic number.

It is not a de Polignac number, because 787223473 - 2¹³ = 787215281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (787223477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13572790 + ... + 13572847.

It is an arithmetic number, because the mean of its divisors is an integer number (203592285).

Almost surely, 2^787223473 is an apocalyptic number.

It is an amenable number.

787223473 is a deficient number, since it is larger than the sum of its proper divisors (27145667).

787223473 is a wasteful number, since it uses less digits than its factorization.

787223473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27145666.

The product of its digits is 395136, while the sum is 43.

The square root of 787223473 is about 28057.5029715761. The cubic root of 787223473 is about 923.3492733009.

The spelling of 787223473 in words is "seven hundred eighty-seven million, two hundred twenty-three thousand, four hundred seventy-three".