1377757953 has 48 divisors (see below), whose sum is σ = 2387863296. Its totient is φ = 754341120.

The previous prime is 1377757943. The next prime is 1377757991. The reversal of 1377757953 is 3597577731.

1377757953 is a `hidden beast` number, since 13 + 7 + 7 + 7 + 579 + 53 = 666.

It is not a de Polignac number, because 1377757953 - 2⁶ = 1377757889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1377757953.

It is not an unprimeable number, because it can be changed into a prime (1377757903) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49101 + ... + 71877.

It is an arithmetic number, because the mean of its divisors is an integer number (49747152).

Almost surely, 2^1377757953 is an apocalyptic number.

1377757953 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1377757953 is a deficient number, since it is larger than the sum of its proper divisors (1010105343).

1377757953 is a wasteful number, since it uses less digits than its factorization.

1377757953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22854 (or 22851 counting only the distinct ones).

The product of its digits is 4862025, while the sum is 54.

The square root of 1377757953 is about 37118.1620369328. The cubic root of 1377757953 is about 1112.7330193710.

The spelling of 1377757953 in words is "one billion, three hundred seventy-seven million, seven hundred fifty-seven thousand, nine hundred fifty-three".