157533777 has 12 divisors (see below), whose sum is σ = 227944080. Its totient is φ = 104840088.

The previous prime is 157533763. The next prime is 157533787. The reversal of 157533777 is 777335751.

157533777 is a `hidden beast` number, since 1 + 575 + 3 + 3 + 7 + 77 = 666.

It is not a de Polignac number, because 157533777 - 2¹² = 157529681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157533757) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9627 + ... + 20192.

It is an arithmetic number, because the mean of its divisors is an integer number (18995340).

Almost surely, 2^157533777 is an apocalyptic number.

It is an amenable number.

157533777 is a deficient number, since it is larger than the sum of its proper divisors (70410303).

157533777 is a wasteful number, since it uses less digits than its factorization.

157533777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30412 (or 30409 counting only the distinct ones).

The product of its digits is 540225, while the sum is 45.

The square root of 157533777 is about 12551.2460337610. The cubic root of 157533777 is about 540.0797515955.

The spelling of 157533777 in words is "one hundred fifty-seven million, five hundred thirty-three thousand, seven hundred seventy-seven".