1377064950 has 144 divisors (see below), whose sum is σ = 3630423888. Its totient is φ = 345216000.

The previous prime is 1377064939. The next prime is 1377064967. The reversal of 1377064950 is 594607731.

It is a super-3 number, since 3×1377064950³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5910034 + ... + 5910266.

It is an arithmetic number, because the mean of its divisors is an integer number (25211277).

Almost surely, 2^1377064950 is an apocalyptic number.

1377064950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1377064950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1815211944).

1377064950 is an abundant number, since it is smaller than the sum of its proper divisors (2253358938).

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

1377064950 is a wasteful number, since it uses less digits than its factorization.

1377064950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 1377064950 is about 37108.8257696198. The cubic root of 1377064950 is about 1112.5464223359.

The spelling of 1377064950 in words is "one billion, three hundred seventy-seven million, sixty-four thousand, nine hundred fifty".