78471610 has 16 divisors (see below), whose sum is σ = 161427456. Its totient is φ = 26904528.

The previous prime is 78471557. The next prime is 78471619. The reversal of 78471610 is 1617487.

It is not an unprimeable number, because it can be changed into a prime (78471619) 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, 560442 + ... + 560581.

It is an arithmetic number, because the mean of its divisors is an integer number (10089216).

Almost surely, 2^78471610 is an apocalyptic number.

78471610 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78471610 is an abundant number, since it is smaller than the sum of its proper divisors (82955846).

78471610 is a wasteful number, since it uses less digits than its factorization.

78471610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121037.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 78471610 is about 8858.4202880649. The cubic root of 78471610 is about 428.1252617613.

The spelling of 78471610 in words is "seventy-eight million, four hundred seventy-one thousand, six hundred ten".