157862747 has 16 divisors (see below), whose sum is σ = 188583360. Its totient is φ = 129282048.

The previous prime is 157862741. The next prime is 157862759. The reversal of 157862747 is 747268751.

It is a happy number.

It is not a de Polignac number, because 157862747 - 2⁸ = 157862491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157862741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15683 + ... + 23699.

It is an arithmetic number, because the mean of its divisors is an integer number (11786460).

Almost surely, 2^157862747 is an apocalyptic number.

157862747 is a deficient number, since it is larger than the sum of its proper divisors (30720613).

157862747 is an equidigital number, since it uses as much as digits as its factorization.

157862747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8150.

The product of its digits is 658560, while the sum is 47.

The square root of 157862747 is about 12564.3442725834. The cubic root of 157862747 is about 540.4554308295.

The spelling of 157862747 in words is "one hundred fifty-seven million, eight hundred sixty-two thousand, seven hundred forty-seven".