157881795 has 16 divisors (see below), whose sum is σ = 252813312. Its totient is φ = 84136160.

The previous prime is 157881781. The next prime is 157881827. The reversal of 157881795 is 597188751.

It is not a de Polignac number, because 157881795 - 2¹¹ = 157879747 is a prime.

It is a super-2 number, since 2×157881795² = 49853322384844050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19390 + ... + 26300.

It is an arithmetic number, because the mean of its divisors is an integer number (15800832).

Almost surely, 2^157881795 is an apocalyptic number.

157881795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157881795 is a deficient number, since it is larger than the sum of its proper divisors (94931517).

157881795 is a wasteful number, since it uses less digits than its factorization.

157881795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8442.

The product of its digits is 705600, while the sum is 51.

The square root of 157881795 is about 12565.1022677891. The cubic root of 157881795 is about 540.4771673933.

The spelling of 157881795 in words is "one hundred fifty-seven million, eight hundred eighty-one thousand, seven hundred ninety-five".