78350700 has 36 divisors (see below), whose sum is σ = 226695560. Its totient is φ = 20893440.

The previous prime is 78350689. The next prime is 78350749. The reversal of 78350700 is 705387.

It is a super-2 number, since 2×78350700² = 12277664380980000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130285 + ... + 130884.

Almost surely, 2^78350700 is an apocalyptic number.

It is an amenable number.

78350700 is an abundant number, since it is smaller than the sum of its proper divisors (148344860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78350700 is a wasteful number, since it uses less digits than its factorization.

78350700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261186 (or 261179 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 78350700 is about 8851.5930769551. The cubic root of 78350700 is about 427.9052618798.

The spelling of 78350700 in words is "seventy-eight million, three hundred fifty thousand, seven hundred".