83691263370 has 128 divisors (see below), whose sum is σ = 238311859968. Its totient is φ = 18542592000.

The previous prime is 83691263353. The next prime is 83691263387. The reversal of 83691263370 is 7336219638.

It is an interprime number because it is at equal distance from previous prime (83691263353) and next prime (83691263387).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 336714 + ... + 529866.

It is an arithmetic number, because the mean of its divisors is an integer number (1861811406).

Almost surely, 2^83691263370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83691263370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119155929984).

83691263370 is an abundant number, since it is smaller than the sum of its proper divisors (154620596598).

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

83691263370 is a wasteful number, since it uses less digits than its factorization.

83691263370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193288.

The product of its (nonzero) digits is 979776, while the sum is 48.

The spelling of 83691263370 in words is "eighty-three billion, six hundred ninety-one million, two hundred sixty-three thousand, three hundred seventy".