157858729365 has 32 divisors (see below), whose sum is σ = 259509818880. Its totient is φ = 81881293824.

The previous prime is 157858729361. The next prime is 157858729393. The reversal of 157858729365 is 563927858751.

It is not a de Polignac number, because 157858729365 - 2² = 157858729361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157858729296 and 157858729305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157858729361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1282596 + ... + 1400274.

It is an arithmetic number, because the mean of its divisors is an integer number (8109681840).

Almost surely, 2^157858729365 is an apocalyptic number.

157858729365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157858729365 is a deficient number, since it is larger than the sum of its proper divisors (101651089515).

157858729365 is a wasteful number, since it uses less digits than its factorization.

157858729365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120141.

The product of its digits is 127008000, while the sum is 66.

The spelling of 157858729365 in words is "one hundred fifty-seven billion, eight hundred fifty-eight million, seven hundred twenty-nine thousand, three hundred sixty-five".