157002035543677 has 4 divisors (see below), whose sum is σ = 157653496272316. Its totient is φ = 156350574815040.

The previous prime is 157002035543641. The next prime is 157002035543681. The reversal of 157002035543677 is 776345530200751.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70891449126436 + 86110586417241 = 8419706^2 + 9279579^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157002035543677 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 (157002035543477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325730363958 + ... + 325730364439.

It is an arithmetic number, because the mean of its divisors is an integer number (39413374068079).

Almost surely, 2^{157002035543677} is an apocalyptic number.

It is an amenable number.

157002035543677 is a deficient number, since it is larger than the sum of its proper divisors (651460728639).

157002035543677 is an equidigital number, since it uses as much as digits as its factorization.

157002035543677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651460728638.

The product of its (nonzero) digits is 18522000, while the sum is 55.

The spelling of 157002035543677 in words is "one hundred fifty-seven trillion, two billion, thirty-five million, five hundred forty-three thousand, six hundred seventy-seven".