157633977707 has 2 divisors, whose sum is σ = 157633977708. Its totient is φ = 157633977706.

The previous prime is 157633977637. The next prime is 157633977731. The reversal of 157633977707 is 707779336751.

It is a strong prime.

It is an emirp because it is prime and its reverse (707779336751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157633977707 - 2¹⁰ = 157633976683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157633977707.

It is not a weakly prime, because it can be changed into another prime (157633977407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78816988853 + 78816988854.

It is an arithmetic number, because the mean of its divisors is an integer number (78816988854).

Almost surely, 2^157633977707 is an apocalyptic number.

157633977707 is a deficient number, since it is larger than the sum of its proper divisors (1).

157633977707 is an equidigital number, since it uses as much as digits as its factorization.

157633977707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40841010, while the sum is 62.

The spelling of 157633977707 in words is "one hundred fifty-seven billion, six hundred thirty-three million, nine hundred seventy-seven thousand, seven hundred seven".