768320154 has 40 divisors (see below), whose sum is σ = 1967552928. Its totient is φ = 219519720.

The previous prime is 768320153. The next prime is 768320159. The reversal of 768320154 is 451023867.

It is not an unprimeable number, because it can be changed into a prime (768320153) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 337632 + ... + 339899.

Almost surely, 2^768320154 is an apocalyptic number.

768320154 is an abundant number, since it is smaller than the sum of its proper divisors (1199232774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

768320154 is a wasteful number, since it uses less digits than its factorization.

768320154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677552 (or 677543 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 768320154 is about 27718.5886004320. The cubic root of 768320154 is about 915.8986280462.

The spelling of 768320154 in words is "seven hundred sixty-eight million, three hundred twenty thousand, one hundred fifty-four".