157404047287 has 2 divisors, whose sum is σ = 157404047288. Its totient is φ = 157404047286.

The previous prime is 157404047249. The next prime is 157404047321. The reversal of 157404047287 is 782740404751.

It is a strong prime.

It is an emirp because it is prime and its reverse (782740404751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157404047287 - 2⁷ = 157404047159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157404047287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157404057287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78702023643 + 78702023644.

It is an arithmetic number, because the mean of its divisors is an integer number (78702023644).

Almost surely, 2^157404047287 is an apocalyptic number.

157404047287 is a deficient number, since it is larger than the sum of its proper divisors (1).

157404047287 is an equidigital number, since it uses as much as digits as its factorization.

157404047287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1756160, while the sum is 49.

The spelling of 157404047287 in words is "one hundred fifty-seven billion, four hundred four million, forty-seven thousand, two hundred eighty-seven".