157319007828 has 24 divisors (see below), whose sum is σ = 388670490432. Its totient is φ = 49354982784.

The previous prime is 157319007787. The next prime is 157319007863. The reversal of 157319007828 is 828700913751.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385585600 + ... + 385586007.

It is an arithmetic number, because the mean of its divisors is an integer number (16194603768).

Almost surely, 2^157319007828 is an apocalyptic number.

It is an amenable number.

157319007828 is an abundant number, since it is smaller than the sum of its proper divisors (231351482604).

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

157319007828 is a wasteful number, since it uses less digits than its factorization.

157319007828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771171631 (or 771171629 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 51.

The spelling of 157319007828 in words is "one hundred fifty-seven billion, three hundred nineteen million, seven thousand, eight hundred twenty-eight".