69919977960 has 1152 divisors, whose sum is σ = 301604659200. Its totient is φ = 13705666560.

The previous prime is 69919977949. The next prime is 69919978003. The reversal of 69919977960 is 6977991996.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 428956839 + ... + 428957001.

It is an arithmetic number, because the mean of its divisors is an integer number (261809600).

Almost surely, 2^69919977960 is an apocalyptic number.

69919977960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69919977960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150802329600).

69919977960 is an abundant number, since it is smaller than the sum of its proper divisors (231684681240).

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

69919977960 is a wasteful number, since it uses less digits than its factorization.

69919977960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 104162436, while the sum is 72.

The spelling of 69919977960 in words is "sixty-nine billion, nine hundred nineteen million, nine hundred seventy-seven thousand, nine hundred sixty".