1377395950 has 24 divisors (see below), whose sum is σ = 2927950992. Its totient is φ = 472249920.

The previous prime is 1377395933. The next prime is 1377395969. The reversal of 1377395950 is 595937731.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1377395894 and 1377395903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1967359 + ... + 1968058.

It is an arithmetic number, because the mean of its divisors is an integer number (121997958).

Almost surely, 2^1377395950 is an apocalyptic number.

1377395950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1377395950 is an abundant number, since it is smaller than the sum of its proper divisors (1550555042).

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

1377395950 is a wasteful number, since it uses less digits than its factorization.

1377395950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935436 (or 3935431 counting only the distinct ones).

The product of its (nonzero) digits is 893025, while the sum is 49.

The square root of 1377395950 is about 37113.2853571332. The cubic root of 1377395950 is about 1112.6355547486.

The spelling of 1377395950 in words is "one billion, three hundred seventy-seven million, three hundred ninety-five thousand, nine hundred fifty".