377897667701 has 2 divisors, whose sum is σ = 377897667702. Its totient is φ = 377897667700.

The previous prime is 377897667683. The next prime is 377897667703. The reversal of 377897667701 is 107766798773.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227458409476 + 150439258225 = 476926^2 + 387865^2 .

It is a cyclic number.

It is not a de Polignac number, because 377897667701 - 2²⁶ = 377830558837 is a prime.

Together with 377897667703, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (377897667703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188948833850 + 188948833851.

It is an arithmetic number, because the mean of its divisors is an integer number (188948833851).

Almost surely, 2^377897667701 is an apocalyptic number.

It is an amenable number.

377897667701 is a deficient number, since it is larger than the sum of its proper divisors (1).

377897667701 is an equidigital number, since it uses as much as digits as its factorization.

377897667701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 130691232, while the sum is 68.

The spelling of 377897667701 in words is "three hundred seventy-seven billion, eight hundred ninety-seven million, six hundred sixty-seven thousand, seven hundred one".