787354873 has 2 divisors, whose sum is σ = 787354874. Its totient is φ = 787354872.

The previous prime is 787354853. The next prime is 787354879. The reversal of 787354873 is 378453787.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 725386489 + 61968384 = 26933^2 + 7872^2 .

It is a cyclic number.

It is not a de Polignac number, because 787354873 - 2⁹ = 787354361 is a prime.

It is a super-2 number, since 2×787354873² = 1239855392073692258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 787354873.

It is not a weakly prime, because it can be changed into another prime (787354879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393677436 + 393677437.

It is an arithmetic number, because the mean of its divisors is an integer number (393677437).

Almost surely, 2^787354873 is an apocalyptic number.

It is an amenable number.

787354873 is a deficient number, since it is larger than the sum of its proper divisors (1).

787354873 is an equidigital number, since it uses as much as digits as its factorization.

787354873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3951360, while the sum is 52.

The square root of 787354873 is about 28059.8444935107. The cubic root of 787354873 is about 923.4006442897.

The spelling of 787354873 in words is "seven hundred eighty-seven million, three hundred fifty-four thousand, eight hundred seventy-three".