677148078 has 8 divisors (see below), whose sum is σ = 1354296168. Its totient is φ = 225716024.

The previous prime is 677148077. The next prime is 677148089. The reversal of 677148078 is 870841776.

It is a sphenic number, since it is the product of 3 distinct primes.

677148078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677148077) 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, 56429001 + ... + 56429012.

It is an arithmetic number, because the mean of its divisors is an integer number (169287021).

Almost surely, 2^677148078 is an apocalyptic number.

677148078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

677148078 is a wasteful number, since it uses less digits than its factorization.

677148078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112858018.

The product of its (nonzero) digits is 526848, while the sum is 48.

The square root of 677148078 is about 26022.0690568602. The cubic root of 677148078 is about 878.1348573388.

The spelling of 677148078 in words is "six hundred seventy-seven million, one hundred forty-eight thousand, seventy-eight".