86788054 has 4 divisors (see below), whose sum is σ = 130182084. Its totient is φ = 43394026.

The previous prime is 86788049. The next prime is 86788069. The reversal of 86788054 is 45088768.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 86787995 and 86788013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21697012 + ... + 21697015.

It is an arithmetic number, because the mean of its divisors is an integer number (32545521).

Almost surely, 2^86788054 is an apocalyptic number.

86788054 is a deficient number, since it is larger than the sum of its proper divisors (43394030).

86788054 is a wasteful number, since it uses less digits than its factorization.

86788054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43394029.

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 86788054 is about 9316.0106268724. The cubic root of 86788054 is about 442.7446447412.

It can be divided in two parts, 86 and 788054, that added together give a triangular number (788140 = T₁₂₅₅).

The spelling of 86788054 in words is "eighty-six million, seven hundred eighty-eight thousand, fifty-four".