378860787251 has 16 divisors (see below), whose sum is σ = 383992957920. Its totient is φ = 373760904960.

The previous prime is 378860787241. The next prime is 378860787307. The reversal of 378860787251 is 152787068873.

It is a cyclic number.

It is not a de Polignac number, because 378860787251 - 2⁶ = 378860787187 is a prime.

It is a super-2 number, since 2×378860787251² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378860787241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45680261 + ... + 45688553.

It is an arithmetic number, because the mean of its divisors is an integer number (23999559870).

Almost surely, 2^378860787251 is an apocalyptic number.

378860787251 is a deficient number, since it is larger than the sum of its proper divisors (5132170669).

378860787251 is a wasteful number, since it uses less digits than its factorization.

378860787251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10166.

The product of its (nonzero) digits is 31610880, while the sum is 62.

The spelling of 378860787251 in words is "three hundred seventy-eight billion, eight hundred sixty million, seven hundred eighty-seven thousand, two hundred fifty-one".