157678825074 has 8 divisors (see below), whose sum is σ = 315357650160. Its totient is φ = 52559608356.

The previous prime is 157678825049. The next prime is 157678825091. The reversal of 157678825074 is 470528876751.

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

157678825074 is an admirable number.

It is a super-2 number, since 2×157678825074² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 157678824999 and 157678825017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13139902084 + ... + 13139902095.

It is an arithmetic number, because the mean of its divisors is an integer number (39419706270).

Almost surely, 2^157678825074 is an apocalyptic number.

157678825074 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.

157678825074 is a wasteful number, since it uses less digits than its factorization.

157678825074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26279804184.

The product of its (nonzero) digits is 26342400, while the sum is 60.

The spelling of 157678825074 in words is "one hundred fifty-seven billion, six hundred seventy-eight million, eight hundred twenty-five thousand, seventy-four".