78374011351 has 8 divisors (see below), whose sum is σ = 81462016944. Its totient is φ = 75337047360.

The previous prime is 78374011267. The next prime is 78374011357. The reversal of 78374011351 is 15311047387.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78374011351 - 2²¹ = 78371914199 is a prime.

It is a super-2 number, since 2×78374011351² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78374011357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12757270 + ... + 12763411.

It is an arithmetic number, because the mean of its divisors is an integer number (10182752118).

Almost surely, 2^78374011351 is an apocalyptic number.

78374011351 is a deficient number, since it is larger than the sum of its proper divisors (3088005593).

78374011351 is a wasteful number, since it uses less digits than its factorization.

78374011351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25520801.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 78374011351 in words is "seventy-eight billion, three hundred seventy-four million, eleven thousand, three hundred fifty-one".