469607978 has 32 divisors (see below), whose sum is σ = 818494464. Its totient is φ = 197914752.

The previous prime is 469607969. The next prime is 469607989. The reversal of 469607978 is 879706964.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619976 + ... + 620732.

It is an arithmetic number, because the mean of its divisors is an integer number (25577952).

Almost surely, 2^469607978 is an apocalyptic number.

469607978 is a deficient number, since it is larger than the sum of its proper divisors (348886486).

469607978 is a wasteful number, since it uses less digits than its factorization.

469607978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The square root of 469607978 is about 21670.4401893455. The cubic root of 469607978 is about 777.2817819991.

The spelling of 469607978 in words is "four hundred sixty-nine million, six hundred seven thousand, nine hundred seventy-eight".