373780613377 has 4 divisors (see below), whose sum is σ = 373782500820. Its totient is φ = 373778725936.

The previous prime is 373780613369. The next prime is 373780613399. The reversal of 373780613377 is 773316087373.

It is a Cunningham number, because it is equal to 611376²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 773316087373 = 227 ⋅3406678799.

It can be written as a sum of positive squares in 2 ways, for example, as 330399638416 + 43380974961 = 574804^2 + 208281^2 .

It is a cyclic number.

It is not a de Polignac number, because 373780613377 - 2³ = 373780613369 is a prime.

It is a super-3 number, since 3×373780613377³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (373780613357) 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, 606502 + ... + 1056127.

It is an arithmetic number, because the mean of its divisors is an integer number (93445625205).

Almost surely, 2^373780613377 is an apocalyptic number.

It is an amenable number.

373780613377 is a deficient number, since it is larger than the sum of its proper divisors (1887443).

373780613377 is a wasteful number, since it uses less digits than its factorization.

373780613377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887442.

The product of its (nonzero) digits is 9335088, while the sum is 55.

The spelling of 373780613377 in words is "three hundred seventy-three billion, seven hundred eighty million, six hundred thirteen thousand, three hundred seventy-seven".