468957778 has 4 divisors (see below), whose sum is σ = 703436670. Its totient is φ = 234478888.

The previous prime is 468957763. The next prime is 468957779. The reversal of 468957778 is 877759864.

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., 300918409 + 168039369 = 17347^2 + 12963^2 .

It is not an unprimeable number, because it can be changed into a prime (468957779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117239443 + ... + 117239446.

Almost surely, 2^468957778 is an apocalyptic number.

468957778 is a deficient number, since it is larger than the sum of its proper divisors (234478892).

468957778 is a wasteful number, since it uses less digits than its factorization.

468957778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234478891.

The product of its digits is 23708160, while the sum is 61.

The square root of 468957778 is about 21655.4329903606. The cubic root of 468957778 is about 776.9228854551.

The spelling of 468957778 in words is "four hundred sixty-eight million, nine hundred fifty-seven thousand, seven hundred seventy-eight".