83760078 has 32 divisors (see below), whose sum is σ = 173509632. Its totient is φ = 26928000.

The previous prime is 83760077. The next prime is 83760097. The reversal of 83760078 is 87006738.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83760077) 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, 74025 + ... + 75147.

It is an arithmetic number, because the mean of its divisors is an integer number (5422176).

Almost surely, 2^83760078 is an apocalyptic number.

83760078 is an abundant number, since it is smaller than the sum of its proper divisors (89749554).

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

83760078 is a wasteful number, since it uses less digits than its factorization.

83760078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 83760078 is about 9152.0532122579. The cubic root of 83760078 is about 437.5345548761.

The spelling of 83760078 in words is "eighty-three million, seven hundred sixty thousand, seventy-eight".