377261380 has 12 divisors (see below), whose sum is σ = 792248940. Its totient is φ = 150904544.

The previous prime is 377261371. The next prime is 377261431. The reversal of 377261380 is 83162773.

It can be written as a sum of positive squares in 2 ways, for example, as 86081284 + 291180096 = 9278^2 + 17064^2 .

It is a super-2 number, since 2×377261380² = 284652297679008800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9431515 + ... + 9431554.

It is an arithmetic number, because the mean of its divisors is an integer number (66020745).

Almost surely, 2^377261380 is an apocalyptic number.

It is an amenable number.

377261380 is an abundant number, since it is smaller than the sum of its proper divisors (414987560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

377261380 is a wasteful number, since it uses less digits than its factorization.

377261380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18863078 (or 18863076 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 377261380 is about 19423.2175501383. The cubic root of 377261380 is about 722.5714252732.

The spelling of 377261380 in words is "three hundred seventy-seven million, two hundred sixty-one thousand, three hundred eighty".