157578077 has 8 divisors (see below), whose sum is σ = 166054560. Its totient is φ = 149119920.

The previous prime is 157578059. The next prime is 157578107. The reversal of 157578077 is 770875751.

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

It is a cyclic number.

It is not a de Polignac number, because 157578077 - 2¹⁴ = 157561693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157578007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15338 + ... + 23460.

It is an arithmetic number, because the mean of its divisors is an integer number (20756820).

Almost surely, 2^157578077 is an apocalyptic number.

It is an amenable number.

157578077 is a deficient number, since it is larger than the sum of its proper divisors (8476483).

157578077 is a wasteful number, since it uses less digits than its factorization.

157578077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9163.

The product of its (nonzero) digits is 480200, while the sum is 47.

The square root of 157578077 is about 12553.0106747346. The cubic root of 157578077 is about 540.1303720426.

The spelling of 157578077 in words is "one hundred fifty-seven million, five hundred seventy-eight thousand, seventy-seven".