78954351 has 16 divisors (see below), whose sum is σ = 120507648. Its totient is φ = 45043200.

The previous prime is 78954349. The next prime is 78954353. The reversal of 78954351 is 15345987.

It is an interprime number because it is at equal distance from previous prime (78954349) and next prime (78954353).

It is not a de Polignac number, because 78954351 - 2¹ = 78954349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78954353) 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, 11791 + ... + 17231.

It is an arithmetic number, because the mean of its divisors is an integer number (7531728).

Almost surely, 2^78954351 is an apocalyptic number.

78954351 is a deficient number, since it is larger than the sum of its proper divisors (41553297).

78954351 is a wasteful number, since it uses less digits than its factorization.

78954351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6142.

The product of its digits is 151200, while the sum is 42.

The square root of 78954351 is about 8885.6260893648. The cubic root of 78954351 is about 429.0013801228.

It can be divided in two parts, 7895 and 4351, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 78954351 in words is "seventy-eight million, nine hundred fifty-four thousand, three hundred fifty-one".